20765908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9851}}^1$

素因数の和:9903

約数の個数: 24

約数和(自身を含む): 39723264

約数和(自身を除く): 18957356

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 9851, 19702, 39404, 167467, 305381, 334934, 610762, 669868, 1221524, 5191477, 10382954, 20765908]

約数ペア:

[(1, 20765908), (2, 10382954), (4, 5191477), (17, 1221524), (31, 669868), (34, 610762), (62, 334934), (68, 305381), (124, 167467), (527, 39404), (1054, 19702), (2108, 9851)]