20165080540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1255609}}^1$

素因数の和:1255702

約数の個数: 48

約数和(自身を含む): 46829230560

約数和(自身を除く): 26664150020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 1255609, 2511218, 5022436, 6278045, 12556090, 13811699, 25112180, 27623398, 55246796, 69058495, 91659457, 138116990, 183318914, 276233980, 366637828, 458297285, 916594570, 1008254027, 1833189140, 2016508054, 4033016108, 5041270135, 10082540270, 20165080540]

約数ペア:

[(1, 20165080540), (2, 10082540270), (4, 5041270135), (5, 4033016108), (10, 2016508054), (11, 1833189140), (20, 1008254027), (22, 916594570), (44, 458297285), (55, 366637828), (73, 276233980), (110, 183318914), (146, 138116990), (220, 91659457), (292, 69058495), (365, 55246796), (730, 27623398), (803, 25112180), (1460, 13811699), (1606, 12556090), (3212, 6278045), (4015, 5022436), (8030, 2511218), (16060, 1255609)]