20125914928

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{715919}}^1$

素因数の和:716185

約数の個数: 40

約数和(自身を含む): 44742136320

約数和(自身を除く): 24616221392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 1004, 1757, 2008, 3514, 4016, 7028, 14056, 28112, 715919, 1431838, 2863676, 5011433, 5727352, 10022866, 11454704, 20045732, 40091464, 80182928, 179695669, 359391338, 718782676, 1257869683, 1437565352, 2515739366, 2875130704, 5031478732, 10062957464, 20125914928]

約数ペア:

[(1, 20125914928), (2, 10062957464), (4, 5031478732), (7, 2875130704), (8, 2515739366), (14, 1437565352), (16, 1257869683), (28, 718782676), (56, 359391338), (112, 179695669), (251, 80182928), (502, 40091464), (1004, 20045732), (1757, 11454704), (2008, 10022866), (3514, 5727352), (4016, 5011433), (7028, 2863676), (14056, 1431838), (28112, 715919)]