20176894088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1\times {\mathrm{2521}}^1$

素因数の和:4458

約数の個数: 64

約数和(自身を含む): 41774307120

約数和(自身を除く): 21597413032

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 1877, 2132, 2521, 3754, 4264, 5042, 7508, 10084, 15016, 20168, 24401, 32773, 48802, 65546, 76957, 97604, 103361, 131092, 153914, 195208, 206722, 262184, 307828, 413444, 615656, 826888, 1000441, 1343693, 2000882, 2687386, 4001764, 4731917, 5374772, 8003528, 9463834, 10749544, 18927668, 37855336, 61514921, 123029842, 194008597, 246059684, 388017194, 492119368, 776034388, 1552068776, 2522111761, 5044223522, 10088447044, 20176894088]

約数ペア:

[(1, 20176894088), (2, 10088447044), (4, 5044223522), (8, 2522111761), (13, 1552068776), (26, 776034388), (41, 492119368), (52, 388017194), (82, 246059684), (104, 194008597), (164, 123029842), (328, 61514921), (533, 37855336), (1066, 18927668), (1877, 10749544), (2132, 9463834), (2521, 8003528), (3754, 5374772), (4264, 4731917), (5042, 4001764), (7508, 2687386), (10084, 2000882), (15016, 1343693), (20168, 1000441), (24401, 826888), (32773, 615656), (48802, 413444), (65546, 307828), (76957, 262184), (97604, 206722), (103361, 195208), (131092, 153914)]