20144090855

素因数分解:

$5^1\times 7^2\times {\mathrm{1213}}^1\times {\mathrm{67783}}^1$

素因数の和:69015

約数の個数: 24

約数和(自身を含む): 28143103392

約数和(自身を除く): 7999012537

約数列:

[1, 5, 7, 35, 49, 245, 1213, 6065, 8491, 42455, 59437, 67783, 297185, 338915, 474481, 2372405, 3321367, 16606835, 82220779, 411103895, 575545453, 2877727265, 4028818171, 20144090855]

約数ペア:

[(1, 20144090855), (5, 4028818171), (7, 2877727265), (35, 575545453), (49, 411103895), (245, 82220779), (1213, 16606835), (6065, 3321367), (8491, 2372405), (42455, 474481), (59437, 338915), (67783, 297185)]