20443694

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2213}}^1$

素因数の和:2395

約数の個数: 16

約数和(自身を含む): 31881600

約数和(自身を除く): 11437906

約数列:

[1, 2, 31, 62, 149, 298, 2213, 4426, 4619, 9238, 68603, 137206, 329737, 659474, 10221847, 20443694]

約数ペア:

[(1, 20443694), (2, 10221847), (31, 659474), (62, 329737), (149, 137206), (298, 68603), (2213, 9238), (4426, 4619)]