20282840

素因数分解:

$2^3\times 5^1\times {\mathrm{507071}}^1$

素因数の和:507082

約数の個数: 16

約数和(自身を含む): 45636480

約数和(自身を除く): 25353640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 507071, 1014142, 2028284, 2535355, 4056568, 5070710, 10141420, 20282840]

約数ペア:

[(1, 20282840), (2, 10141420), (4, 5070710), (5, 4056568), (8, 2535355), (10, 2028284), (20, 1014142), (40, 507071)]