20235611660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1612

約数の個数: 144

約数和(自身を含む): 48173664000

約数和(自身を除く): 27938052340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 139, 172, 215, 220, 242, 278, 430, 473, 484, 556, 605, 695, 860, 946, 1210, 1390, 1399, 1529, 1892, 2365, 2420, 2780, 2798, 3058, 4730, 5203, 5596, 5977, 6116, 6995, 7645, 9460, 10406, 11954, 13990, 15290, 15389, 16819, 20812, 23908, 26015, 27980, 29885, 30580, 30778, 33638, 52030, 59770, 60157, 61556, 65747, 67276, 76945, 84095, 104060, 119540, 120314, 131494, 153890, 168190, 169279, 194461, 240628, 262988, 300785, 307780, 328735, 336380, 338558, 388922, 601570, 657470, 661727, 677116, 723217, 777844, 846395, 972305, 1203140, 1314940, 1323454, 1446434, 1692790, 1944610, 2139071, 2646908, 2892868, 3308635, 3385580, 3616085, 3889220, 4278142, 6617270, 7232170, 7278997, 8361823, 8556284, 10695355, 13234540, 14464340, 14557994, 16723646, 21390710, 23529781, 29115988, 33447292, 36394985, 41809115, 42781420, 47059562, 72789970, 83618230, 91980053, 94119124, 117648905, 145579940, 167236460, 183960106, 235297810, 367920212, 459900265, 470595620, 919800530, 1011780583, 1839601060, 2023561166, 4047122332, 5058902915, 10117805830, 20235611660]

約数ペア:

[(1, 20235611660), (2, 10117805830), (4, 5058902915), (5, 4047122332), (10, 2023561166), (11, 1839601060), (20, 1011780583), (22, 919800530), (43, 470595620), (44, 459900265), (55, 367920212), (86, 235297810), (110, 183960106), (121, 167236460), (139, 145579940), (172, 117648905), (215, 94119124), (220, 91980053), (242, 83618230), (278, 72789970), (430, 47059562), (473, 42781420), (484, 41809115), (556, 36394985), (605, 33447292), (695, 29115988), (860, 23529781), (946, 21390710), (1210, 16723646), (1390, 14557994), (1399, 14464340), (1529, 13234540), (1892, 10695355), (2365, 8556284), (2420, 8361823), (2780, 7278997), (2798, 7232170), (3058, 6617270), (4730, 4278142), (5203, 3889220), (5596, 3616085), (5977, 3385580), (6116, 3308635), (6995, 2892868), (7645, 2646908), (9460, 2139071), (10406, 1944610), (11954, 1692790), (13990, 1446434), (15290, 1323454), (15389, 1314940), (16819, 1203140), (20812, 972305), (23908, 846395), (26015, 777844), (27980, 723217), (29885, 677116), (30580, 661727), (30778, 657470), (33638, 601570), (52030, 388922), (59770, 338558), (60157, 336380), (61556, 328735), (65747, 307780), (67276, 300785), (76945, 262988), (84095, 240628), (104060, 194461), (119540, 169279), (120314, 168190), (131494, 153890)]