20643668644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2138797}}^1$

素因数の和:2138947

約数の個数: 24

約数和(自身を含む): 38327260160

約数和(自身を除く): 17683591516

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 9652, 2138797, 4277594, 8555188, 40637143, 81274286, 162548572, 271627219, 543254438, 1086508876, 5160917161, 10321834322, 20643668644]

約数ペア:

[(1, 20643668644), (2, 10321834322), (4, 5160917161), (19, 1086508876), (38, 543254438), (76, 271627219), (127, 162548572), (254, 81274286), (508, 40637143), (2413, 8555188), (4826, 4277594), (9652, 2138797)]