20319800

素因数分解:

$2^3\times 5^2\times {\mathrm{101599}}^1$

素因数の和:101615

約数の個数: 24

約数和(自身を含む): 47244000

約数和(自身を除く): 26924200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 101599, 203198, 406396, 507995, 812792, 1015990, 2031980, 2539975, 4063960, 5079950, 10159900, 20319800]

約数ペア:

[(1, 20319800), (2, 10159900), (4, 5079950), (5, 4063960), (8, 2539975), (10, 2031980), (20, 1015990), (25, 812792), (40, 507995), (50, 406396), (100, 203198), (200, 101599)]