20716700

素因数分解:

$2^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{929}}^1$

素因数の和:1166

約数の個数: 36

約数和(自身を含む): 45205440

約数和(自身を除く): 24488740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 223, 446, 892, 929, 1115, 1858, 2230, 3716, 4460, 4645, 5575, 9290, 11150, 18580, 22300, 23225, 46450, 92900, 207167, 414334, 828668, 1035835, 2071670, 4143340, 5179175, 10358350, 20716700]

約数ペア:

[(1, 20716700), (2, 10358350), (4, 5179175), (5, 4143340), (10, 2071670), (20, 1035835), (25, 828668), (50, 414334), (100, 207167), (223, 92900), (446, 46450), (892, 23225), (929, 22300), (1115, 18580), (1858, 11150), (2230, 9290), (3716, 5575), (4460, 4645)]