20097100

素因数分解:

$2^2\times 5^2\times {\mathrm{200971}}^1$

素因数の和:200985

約数の個数: 18

約数和(自身を含む): 43610924

約数和(自身を除く): 23513824

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 200971, 401942, 803884, 1004855, 2009710, 4019420, 5024275, 10048550, 20097100]

約数ペア:

[(1, 20097100), (2, 10048550), (4, 5024275), (5, 4019420), (10, 2009710), (20, 1004855), (25, 803884), (50, 401942), (100, 200971)]