20644956

素因数分解:

$2^2\times 3^4\times {\mathrm{63719}}^1$

素因数の和:63735

約数の個数: 30

約数和(自身を含む): 53970840

約数和(自身を除く): 33325884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63719, 127438, 191157, 254876, 382314, 573471, 764628, 1146942, 1720413, 2293884, 3440826, 5161239, 6881652, 10322478, 20644956]

約数ペア:

[(1, 20644956), (2, 10322478), (3, 6881652), (4, 5161239), (6, 3440826), (9, 2293884), (12, 1720413), (18, 1146942), (27, 764628), (36, 573471), (54, 382314), (81, 254876), (108, 191157), (162, 127438), (324, 63719)]