20703644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 40039272

約数和(自身を除く): 19335628

約数列:

[1, 2, 4, 13, 26, 52, 61, 107, 122, 214, 244, 428, 793, 1391, 1586, 2782, 3172, 3721, 5564, 6527, 7442, 13054, 14884, 26108, 48373, 84851, 96746, 169702, 193492, 339404, 398147, 796294, 1592588, 5175911, 10351822, 20703644]

約数ペア:

[(1, 20703644), (2, 10351822), (4, 5175911), (13, 1592588), (26, 796294), (52, 398147), (61, 339404), (107, 193492), (122, 169702), (214, 96746), (244, 84851), (428, 48373), (793, 26108), (1391, 14884), (1586, 13054), (2782, 7442), (3172, 6527), (3721, 5564)]