20306750

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 18612130

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 1075, 1889, 2150, 3778, 5375, 9445, 10750, 18890, 47225, 81227, 94450, 162454, 236125, 406135, 472250, 812270, 2030675, 4061350, 10153375, 20306750]

約数ペア:

[(1, 20306750), (2, 10153375), (5, 4061350), (10, 2030675), (25, 812270), (43, 472250), (50, 406135), (86, 236125), (125, 162454), (215, 94450), (250, 81227), (430, 47225), (1075, 18890), (1889, 10750), (2150, 9445), (3778, 5375)]