20040990512

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17641717}}^1$

素因数の和:17641796

約数の個数: 20

約数和(自身を含む): 39376314576

約数和(自身を除く): 19335324064

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17641717, 35283434, 70566868, 141133736, 282267472, 1252561907, 2505123814, 5010247628, 10020495256, 20040990512]

約数ペア:

[(1, 20040990512), (2, 10020495256), (4, 5010247628), (8, 2505123814), (16, 1252561907), (71, 282267472), (142, 141133736), (284, 70566868), (568, 35283434), (1136, 17641717)]