20214904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{148639}}^1$

素因数の和:148662

約数の個数: 16

約数和(自身を含む): 40132800

約数和(自身を除く): 19917896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 148639, 297278, 594556, 1189112, 2526863, 5053726, 10107452, 20214904]

約数ペア:

[(1, 20214904), (2, 10107452), (4, 5053726), (8, 2526863), (17, 1189112), (34, 594556), (68, 297278), (136, 148639)]