20191617580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14219449}}^1$

素因数の和:14219529

約数の個数: 24

約数和(自身を含む): 42999616800

約数和(自身を除く): 22807999220

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14219449, 28438898, 56877796, 71097245, 142194490, 284388980, 1009580879, 2019161758, 4038323516, 5047904395, 10095808790, 20191617580]

約数ペア:

[(1, 20191617580), (2, 10095808790), (4, 5047904395), (5, 4038323516), (10, 2019161758), (20, 1009580879), (71, 284388980), (142, 142194490), (284, 71097245), (355, 56877796), (710, 28438898), (1420, 14219449)]