20619800

素因数分解:

$2^3\times 5^2\times {\mathrm{103099}}^1$

素因数の和:103115

約数の個数: 24

約数和(自身を含む): 47941500

約数和(自身を除く): 27321700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 103099, 206198, 412396, 515495, 824792, 1030990, 2061980, 2577475, 4123960, 5154950, 10309900, 20619800]

約数ペア:

[(1, 20619800), (2, 10309900), (4, 5154950), (5, 4123960), (8, 2577475), (10, 2061980), (20, 1030990), (25, 824792), (40, 515495), (50, 412396), (100, 206198), (200, 103099)]