20108557

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 3478643

約数列:

[1, 7, 59, 181, 269, 413, 1267, 1883, 10679, 15871, 48689, 74753, 111097, 340823, 2872651, 20108557]

約数ペア:

[(1, 20108557), (7, 2872651), (59, 340823), (181, 111097), (269, 74753), (413, 48689), (1267, 15871), (1883, 10679)]