20412669

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2281}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 28844480

約数和(自身を除く): 8431811

約数列:

[1, 3, 19, 57, 157, 471, 2281, 2983, 6843, 8949, 43339, 130017, 358117, 1074351, 6804223, 20412669]

約数ペア:

[(1, 20412669), (3, 6804223), (19, 1074351), (57, 358117), (157, 130017), (471, 43339), (2281, 8949), (2983, 6843)]