20129797872

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{661}}^1\times {\mathrm{2677}}^1$

素因数の和:3431

約数の個数: 120

約数和(自身を含む): 57156232640

約数和(自身を除く): 37026434768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 661, 711, 948, 1264, 1322, 1422, 1896, 1983, 2644, 2677, 2844, 3792, 3966, 5288, 5354, 5688, 5949, 7932, 8031, 10576, 10708, 11376, 11898, 15864, 16062, 21416, 23796, 24093, 31728, 32124, 42832, 47592, 48186, 52219, 64248, 95184, 96372, 104438, 128496, 156657, 192744, 208876, 211483, 313314, 385488, 417752, 422966, 469971, 626628, 634449, 835504, 845932, 939942, 1253256, 1268898, 1691864, 1769497, 1879884, 1903347, 2506512, 2537796, 3383728, 3538994, 3759768, 3806694, 5075592, 5308491, 7077988, 7519536, 7613388, 10151184, 10616982, 14155976, 15226776, 15925473, 21233964, 28311952, 30453552, 31850946, 42467928, 63701892, 84935856, 127403784, 139790263, 254807568, 279580526, 419370789, 559161052, 838741578, 1118322104, 1258112367, 1677483156, 2236644208, 2516224734, 3354966312, 5032449468, 6709932624, 10064898936, 20129797872]

約数ペア:

[(1, 20129797872), (2, 10064898936), (3, 6709932624), (4, 5032449468), (6, 3354966312), (8, 2516224734), (9, 2236644208), (12, 1677483156), (16, 1258112367), (18, 1118322104), (24, 838741578), (36, 559161052), (48, 419370789), (72, 279580526), (79, 254807568), (144, 139790263), (158, 127403784), (237, 84935856), (316, 63701892), (474, 42467928), (632, 31850946), (661, 30453552), (711, 28311952), (948, 21233964), (1264, 15925473), (1322, 15226776), (1422, 14155976), (1896, 10616982), (1983, 10151184), (2644, 7613388), (2677, 7519536), (2844, 7077988), (3792, 5308491), (3966, 5075592), (5288, 3806694), (5354, 3759768), (5688, 3538994), (5949, 3383728), (7932, 2537796), (8031, 2506512), (10576, 1903347), (10708, 1879884), (11376, 1769497), (11898, 1691864), (15864, 1268898), (16062, 1253256), (21416, 939942), (23796, 845932), (24093, 835504), (31728, 634449), (32124, 626628), (42832, 469971), (47592, 422966), (48186, 417752), (52219, 385488), (64248, 313314), (95184, 211483), (96372, 208876), (104438, 192744), (128496, 156657)]