20017603872

素因数分解:

$2^5\times 3^4\times 7^2\times {\mathrm{397}}^2$

素因数の和:830

約数の個数: 270

約数和(自身を含む): 68655779577

約数和(自身を除く): 48638175705

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 252, 288, 294, 324, 336, 378, 392, 397, 432, 441, 504, 567, 588, 648, 672, 756, 784, 794, 864, 882, 1008, 1134, 1176, 1191, 1296, 1323, 1512, 1568, 1588, 1764, 2016, 2268, 2352, 2382, 2592, 2646, 2779, 3024, 3176, 3528, 3573, 3969, 4536, 4704, 4764, 5292, 5558, 6048, 6352, 7056, 7146, 7938, 8337, 9072, 9528, 10584, 10719, 11116, 12704, 14112, 14292, 15876, 16674, 18144, 19056, 19453, 21168, 21438, 22232, 25011, 28584, 31752, 32157, 33348, 38112, 38906, 42336, 42876, 44464, 50022, 57168, 58359, 63504, 64314, 66696, 75033, 77812, 85752, 88928, 100044, 114336, 116718, 127008, 128628, 133392, 150066, 155624, 157609, 171504, 175077, 200088, 225099, 233436, 257256, 266784, 300132, 311248, 315218, 343008, 350154, 400176, 450198, 466872, 472827, 514512, 525231, 600264, 622496, 630436, 700308, 800352, 900396, 933744, 945654, 1029024, 1050462, 1103263, 1200528, 1260872, 1400616, 1418481, 1575693, 1800792, 1867488, 1891308, 2100924, 2206526, 2401056, 2521744, 2801232, 2836962, 3151386, 3309789, 3601584, 3782616, 4201848, 4255443, 4413052, 5043488, 5602464, 5673924, 6302772, 6619578, 7203168, 7565232, 7722841, 8403696, 8510886, 8826104, 9929367, 11347848, 12605544, 12766329, 13239156, 15130464, 15445682, 16807392, 17021772, 17652208, 19858734, 22695696, 23168523, 25211088, 25532658, 26478312, 29788101, 30891364, 34043544, 35304416, 39717468, 45391392, 46337046, 50422176, 51065316, 52956624, 59576202, 61782728, 68087088, 69505569, 79434936, 89364303, 92674092, 102130632, 105913248, 119152404, 123565456, 136174176, 139011138, 158869872, 178728606, 185348184, 204261264, 208516707, 238304808, 247130912, 278022276, 317739744, 357457212, 370696368, 408522528, 417033414, 476609616, 556044552, 625550121, 714914424, 741392736, 834066828, 953219232, 1112089104, 1251100242, 1429828848, 1668133656, 2224178208, 2502200484, 2859657696, 3336267312, 5004400968, 6672534624, 10008801936, 20017603872]

約数ペア:

[(1, 20017603872), (2, 10008801936), (3, 6672534624), (4, 5004400968), (6, 3336267312), (7, 2859657696), (8, 2502200484), (9, 2224178208), (12, 1668133656), (14, 1429828848), (16, 1251100242), (18, 1112089104), (21, 953219232), (24, 834066828), (27, 741392736), (28, 714914424), (32, 625550121), (36, 556044552), (42, 476609616), (48, 417033414), (49, 408522528), (54, 370696368), (56, 357457212), (63, 317739744), (72, 278022276), (81, 247130912), (84, 238304808), (96, 208516707), (98, 204261264), (108, 185348184), (112, 178728606), (126, 158869872), (144, 139011138), (147, 136174176), (162, 123565456), (168, 119152404), (189, 105913248), (196, 102130632), (216, 92674092), (224, 89364303), (252, 79434936), (288, 69505569), (294, 68087088), (324, 61782728), (336, 59576202), (378, 52956624), (392, 51065316), (397, 50422176), (432, 46337046), (441, 45391392), (504, 39717468), (567, 35304416), (588, 34043544), (648, 30891364), (672, 29788101), (756, 26478312), (784, 25532658), (794, 25211088), (864, 23168523), (882, 22695696), (1008, 19858734), (1134, 17652208), (1176, 17021772), (1191, 16807392), (1296, 15445682), (1323, 15130464), (1512, 13239156), (1568, 12766329), (1588, 12605544), (1764, 11347848), (2016, 9929367), (2268, 8826104), (2352, 8510886), (2382, 8403696), (2592, 7722841), (2646, 7565232), (2779, 7203168), (3024, 6619578), (3176, 6302772), (3528, 5673924), (3573, 5602464), (3969, 5043488), (4536, 4413052), (4704, 4255443), (4764, 4201848), (5292, 3782616), (5558, 3601584), (6048, 3309789), (6352, 3151386), (7056, 2836962), (7146, 2801232), (7938, 2521744), (8337, 2401056), (9072, 2206526), (9528, 2100924), (10584, 1891308), (10719, 1867488), (11116, 1800792), (12704, 1575693), (14112, 1418481), (14292, 1400616), (15876, 1260872), (16674, 1200528), (18144, 1103263), (19056, 1050462), (19453, 1029024), (21168, 945654), (21438, 933744), (22232, 900396), (25011, 800352), (28584, 700308), (31752, 630436), (32157, 622496), (33348, 600264), (38112, 525231), (38906, 514512), (42336, 472827), (42876, 466872), (44464, 450198), (50022, 400176), (57168, 350154), (58359, 343008), (63504, 315218), (64314, 311248), (66696, 300132), (75033, 266784), (77812, 257256), (85752, 233436), (88928, 225099), (100044, 200088), (114336, 175077), (116718, 171504), (127008, 157609), (128628, 155624), (133392, 150066)]