20643156

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9719}}^1$

素因数の和:9788

約数の個数: 36

約数和(自身を含む): 53071200

約数和(自身を除く): 32428044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9719, 19438, 29157, 38876, 58314, 87471, 116628, 174942, 349884, 573421, 1146842, 1720263, 2293684, 3440526, 5160789, 6881052, 10321578, 20643156]

約数ペア:

[(1, 20643156), (2, 10321578), (3, 6881052), (4, 5160789), (6, 3440526), (9, 2293684), (12, 1720263), (18, 1146842), (36, 573421), (59, 349884), (118, 174942), (177, 116628), (236, 87471), (354, 58314), (531, 38876), (708, 29157), (1062, 19438), (2124, 9719)]