20545177580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1\times {\mathrm{797}}^1$

素因数の和:1235

約数の個数: 96

約数和(自身を含む): 44696401344

約数和(自身を除く): 24151223764

約数列:

[1, 2, 4, 5, 10, 20, 53, 83, 106, 166, 212, 265, 293, 332, 415, 530, 586, 797, 830, 1060, 1172, 1465, 1594, 1660, 2930, 3188, 3985, 4399, 5860, 7970, 8798, 15529, 15940, 17596, 21995, 24319, 31058, 42241, 43990, 48638, 62116, 66151, 77645, 84482, 87980, 97276, 121595, 132302, 155290, 168964, 211205, 233521, 243190, 264604, 310580, 330755, 422410, 467042, 486380, 661510, 844820, 934084, 1167605, 1288907, 1323020, 2335210, 2577814, 3506003, 4670420, 5155628, 6444535, 7012006, 12376613, 12889070, 14024012, 17530015, 19382243, 24753226, 25778140, 35060030, 38764486, 49506452, 61883065, 70120060, 77528972, 96911215, 123766130, 193822430, 247532260, 387644860, 1027258879, 2054517758, 4109035516, 5136294395, 10272588790, 20545177580]

約数ペア:

[(1, 20545177580), (2, 10272588790), (4, 5136294395), (5, 4109035516), (10, 2054517758), (20, 1027258879), (53, 387644860), (83, 247532260), (106, 193822430), (166, 123766130), (212, 96911215), (265, 77528972), (293, 70120060), (332, 61883065), (415, 49506452), (530, 38764486), (586, 35060030), (797, 25778140), (830, 24753226), (1060, 19382243), (1172, 17530015), (1465, 14024012), (1594, 12889070), (1660, 12376613), (2930, 7012006), (3188, 6444535), (3985, 5155628), (4399, 4670420), (5860, 3506003), (7970, 2577814), (8798, 2335210), (15529, 1323020), (15940, 1288907), (17596, 1167605), (21995, 934084), (24319, 844820), (31058, 661510), (42241, 486380), (43990, 467042), (48638, 422410), (62116, 330755), (66151, 310580), (77645, 264604), (84482, 243190), (87980, 233521), (97276, 211205), (121595, 168964), (132302, 155290)]