20706452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{811}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 39151392

約数和(自身を除く): 18444940

約数列:

[1, 2, 4, 13, 26, 52, 491, 811, 982, 1622, 1964, 3244, 6383, 10543, 12766, 21086, 25532, 42172, 398201, 796402, 1592804, 5176613, 10353226, 20706452]

約数ペア:

[(1, 20706452), (2, 10353226), (4, 5176613), (13, 1592804), (26, 796402), (52, 398201), (491, 42172), (811, 25532), (982, 21086), (1622, 12766), (1964, 10543), (3244, 6383)]