20858420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94811}}^1$

素因数の和:94831

約数の個数: 24

約数和(自身を含む): 47785248

約数和(自身を除く): 26926828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94811, 189622, 379244, 474055, 948110, 1042921, 1896220, 2085842, 4171684, 5214605, 10429210, 20858420]

約数ペア:

[(1, 20858420), (2, 10429210), (4, 5214605), (5, 4171684), (10, 2085842), (11, 1896220), (20, 1042921), (22, 948110), (44, 474055), (55, 379244), (110, 189622), (220, 94811)]