20165205585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1864559}}^1$

素因数の和:1864677

約数の個数: 32

約数和(自身を含む): 37231534080

約数和(自身を除く): 17066328495

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 3605, 10815, 1864559, 5593677, 9322795, 13051913, 27968385, 39155739, 65259565, 192049577, 195778695, 576148731, 960247885, 1344347039, 2880743655, 4033041117, 6721735195, 20165205585]

約数ペア:

[(1, 20165205585), (3, 6721735195), (5, 4033041117), (7, 2880743655), (15, 1344347039), (21, 960247885), (35, 576148731), (103, 195778695), (105, 192049577), (309, 65259565), (515, 39155739), (721, 27968385), (1545, 13051913), (2163, 9322795), (3605, 5593677), (10815, 1864559)]