19956900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66523}}^1$

素因数の和:66540

約数の個数: 36

約数和(自身を含む): 57742832

約数和(自身を除く): 37785932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66523, 133046, 199569, 266092, 332615, 399138, 665230, 798276, 997845, 1330460, 1663075, 1995690, 3326150, 3991380, 4989225, 6652300, 9978450, 19956900]

約数ペア:

[(1, 19956900), (2, 9978450), (3, 6652300), (4, 4989225), (5, 3991380), (6, 3326150), (10, 1995690), (12, 1663075), (15, 1330460), (20, 997845), (25, 798276), (30, 665230), (50, 399138), (60, 332615), (75, 266092), (100, 199569), (150, 133046), (300, 66523)]