20921450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{38039}}^1$

素因数の和:38062

約数の個数: 24

約数和(自身を含む): 42452640

約数和(自身を除く): 21531190

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 38039, 76078, 190195, 380390, 418429, 836858, 950975, 1901950, 2092145, 4184290, 10460725, 20921450]

約数ペア:

[(1, 20921450), (2, 10460725), (5, 4184290), (10, 2092145), (11, 1901950), (22, 950975), (25, 836858), (50, 418429), (55, 380390), (110, 190195), (275, 76078), (550, 38039)]