2021907568

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{287857}}^1$

素因数の和:288304

約数の個数: 20

約数和(自身を含む): 3926383120

約数和(自身を除く): 1904475552

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 287857, 575714, 1151428, 2302856, 4605712, 126369223, 252738446, 505476892, 1010953784, 2021907568]

約数ペア:

[(1, 2021907568), (2, 1010953784), (4, 505476892), (8, 252738446), (16, 126369223), (439, 4605712), (878, 2302856), (1756, 1151428), (3512, 575714), (7024, 287857)]