20643450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{137623}}^1$

素因数の和:137638

約数の個数: 24

約数和(自身を含む): 51196128

約数和(自身を除く): 30552678

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 137623, 275246, 412869, 688115, 825738, 1376230, 2064345, 3440575, 4128690, 6881150, 10321725, 20643450]

約数ペア:

[(1, 20643450), (2, 10321725), (3, 6881150), (5, 4128690), (6, 3440575), (10, 2064345), (15, 1376230), (25, 825738), (30, 688115), (50, 412869), (75, 275246), (150, 137623)]