20803587

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1033}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 32533776

約数和(自身を除く): 11730189

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 1033, 2877, 3099, 6713, 7231, 20139, 21693, 50617, 141521, 151851, 424563, 990647, 2971941, 6934529, 20803587]

約数ペア:

[(1, 20803587), (3, 6934529), (7, 2971941), (21, 990647), (49, 424563), (137, 151851), (147, 141521), (411, 50617), (959, 21693), (1033, 20139), (2877, 7231), (3099, 6713)]