20820316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2903}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 40005504

約数和(自身を除く): 19185188

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1793, 2903, 3586, 5806, 7172, 11612, 31933, 63866, 127732, 473189, 946378, 1892756, 5205079, 10410158, 20820316]

約数ペア:

[(1, 20820316), (2, 10410158), (4, 5205079), (11, 1892756), (22, 946378), (44, 473189), (163, 127732), (326, 63866), (652, 31933), (1793, 11612), (2903, 7172), (3586, 5806)]