20821739904

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1867}}^1$

素因数の和:2358

約数の個数: 256

約数和(自身を含む): 70422105600

約数和(自身を除く): 49600365696

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 384, 432, 448, 461, 504, 576, 672, 756, 864, 896, 922, 1008, 1152, 1344, 1383, 1512, 1728, 1844, 1867, 2016, 2688, 2766, 3024, 3227, 3456, 3688, 3734, 4032, 4149, 5532, 5601, 6048, 6454, 7376, 7468, 8064, 8298, 9681, 11064, 11202, 12096, 12447, 12908, 13069, 14752, 14936, 16596, 16803, 19362, 22128, 22404, 24192, 24894, 25816, 26138, 29043, 29504, 29872, 33192, 33606, 38724, 39207, 44256, 44808, 49788, 50409, 51632, 52276, 58086, 59008, 59744, 66384, 67212, 77448, 78414, 87129, 88512, 89616, 99576, 100818, 103264, 104552, 116172, 117621, 119488, 132768, 134424, 154896, 156828, 174258, 177024, 179232, 199152, 201636, 206528, 209104, 232344, 235242, 238976, 265536, 268848, 309792, 313656, 348516, 352863, 358464, 398304, 403272, 413056, 418208, 464688, 470484, 531072, 537696, 619584, 627312, 697032, 705726, 716928, 796608, 806544, 836416, 860687, 929376, 940968, 1075392, 1239168, 1254624, 1394064, 1411452, 1593216, 1613088, 1672832, 1721374, 1858752, 1881936, 2150784, 2509248, 2582061, 2788128, 2822904, 3226176, 3442748, 3717504, 3763872, 5018496, 5164122, 5576256, 5645808, 6024809, 6452352, 6885496, 7527744, 7746183, 10328244, 11152512, 11291616, 12049618, 13770992, 15055488, 15492366, 18074427, 20656488, 22583232, 23238549, 24099236, 27541984, 30984732, 36148854, 41312976, 45166464, 46477098, 48198472, 54223281, 55083968, 61969464, 72297708, 82625952, 92954196, 96396944, 108446562, 110167936, 123938928, 144595416, 162669843, 165251904, 185908392, 192793888, 216893124, 247877856, 289190832, 325339686, 330503808, 371816784, 385587776, 433786248, 495755712, 578381664, 650679372, 743633568, 771175552, 867572496, 991511424, 1156763328, 1301358744, 1487267136, 1735144992, 2313526656, 2602717488, 2974534272, 3470289984, 5205434976, 6940579968, 10410869952, 20821739904]

約数ペア:

[(1, 20821739904), (2, 10410869952), (3, 6940579968), (4, 5205434976), (6, 3470289984), (7, 2974534272), (8, 2602717488), (9, 2313526656), (12, 1735144992), (14, 1487267136), (16, 1301358744), (18, 1156763328), (21, 991511424), (24, 867572496), (27, 771175552), (28, 743633568), (32, 650679372), (36, 578381664), (42, 495755712), (48, 433786248), (54, 385587776), (56, 371816784), (63, 330503808), (64, 325339686), (72, 289190832), (84, 247877856), (96, 216893124), (108, 192793888), (112, 185908392), (126, 165251904), (128, 162669843), (144, 144595416), (168, 123938928), (189, 110167936), (192, 108446562), (216, 96396944), (224, 92954196), (252, 82625952), (288, 72297708), (336, 61969464), (378, 55083968), (384, 54223281), (432, 48198472), (448, 46477098), (461, 45166464), (504, 41312976), (576, 36148854), (672, 30984732), (756, 27541984), (864, 24099236), (896, 23238549), (922, 22583232), (1008, 20656488), (1152, 18074427), (1344, 15492366), (1383, 15055488), (1512, 13770992), (1728, 12049618), (1844, 11291616), (1867, 11152512), (2016, 10328244), (2688, 7746183), (2766, 7527744), (3024, 6885496), (3227, 6452352), (3456, 6024809), (3688, 5645808), (3734, 5576256), (4032, 5164122), (4149, 5018496), (5532, 3763872), (5601, 3717504), (6048, 3442748), (6454, 3226176), (7376, 2822904), (7468, 2788128), (8064, 2582061), (8298, 2509248), (9681, 2150784), (11064, 1881936), (11202, 1858752), (12096, 1721374), (12447, 1672832), (12908, 1613088), (13069, 1593216), (14752, 1411452), (14936, 1394064), (16596, 1254624), (16803, 1239168), (19362, 1075392), (22128, 940968), (22404, 929376), (24192, 860687), (24894, 836416), (25816, 806544), (26138, 796608), (29043, 716928), (29504, 705726), (29872, 697032), (33192, 627312), (33606, 619584), (38724, 537696), (39207, 531072), (44256, 470484), (44808, 464688), (49788, 418208), (50409, 413056), (51632, 403272), (52276, 398304), (58086, 358464), (59008, 352863), (59744, 348516), (66384, 313656), (67212, 309792), (77448, 268848), (78414, 265536), (87129, 238976), (88512, 235242), (89616, 232344), (99576, 209104), (100818, 206528), (103264, 201636), (104552, 199152), (116172, 179232), (117621, 177024), (119488, 174258), (132768, 156828), (134424, 154896)]