20899872

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{1481}}^1$

素因数の和:1511

約数の個数: 108

約数和(自身を含む): 69184206

約数和(自身を除く): 48284334

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1481, 1568, 1764, 2016, 2352, 2962, 3528, 4443, 4704, 5924, 7056, 8886, 10367, 11848, 13329, 14112, 17772, 20734, 23696, 26658, 31101, 35544, 41468, 47392, 53316, 62202, 71088, 72569, 82936, 93303, 106632, 124404, 142176, 145138, 165872, 186606, 213264, 217707, 248808, 290276, 331744, 373212, 426528, 435414, 497616, 580552, 653121, 746424, 870828, 995232, 1161104, 1306242, 1492848, 1741656, 2322208, 2612484, 2985696, 3483312, 5224968, 6966624, 10449936, 20899872]

約数ペア:

[(1, 20899872), (2, 10449936), (3, 6966624), (4, 5224968), (6, 3483312), (7, 2985696), (8, 2612484), (9, 2322208), (12, 1741656), (14, 1492848), (16, 1306242), (18, 1161104), (21, 995232), (24, 870828), (28, 746424), (32, 653121), (36, 580552), (42, 497616), (48, 435414), (49, 426528), (56, 373212), (63, 331744), (72, 290276), (84, 248808), (96, 217707), (98, 213264), (112, 186606), (126, 165872), (144, 145138), (147, 142176), (168, 124404), (196, 106632), (224, 93303), (252, 82936), (288, 72569), (294, 71088), (336, 62202), (392, 53316), (441, 47392), (504, 41468), (588, 35544), (672, 31101), (784, 26658), (882, 23696), (1008, 20734), (1176, 17772), (1481, 14112), (1568, 13329), (1764, 11848), (2016, 10367), (2352, 8886), (2962, 7056), (3528, 5924), (4443, 4704)]