20407030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41647}}^1$

素因数の和:41668

約数の個数: 24

約数和(自身を含む): 42730848

約数和(自身を除く): 22323818

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41647, 83294, 208235, 291529, 416470, 583058, 1457645, 2040703, 2915290, 4081406, 10203515, 20407030]

約数ペア:

[(1, 20407030), (2, 10203515), (5, 4081406), (7, 2915290), (10, 2040703), (14, 1457645), (35, 583058), (49, 416470), (70, 291529), (98, 208235), (245, 83294), (490, 41647)]