20173968017

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{176777}}^1$

素因数の和:176945

約数の個数: 24

約数和(自身を含む): 25029643464

約数和(自身を除く): 4855675447

約数列:

[1, 7, 17, 49, 119, 137, 833, 959, 2329, 6713, 16303, 114121, 176777, 1237439, 3005209, 8662073, 21036463, 24218449, 147255241, 169529143, 411713633, 1186704001, 2881995431, 20173968017]

約数ペア:

[(1, 20173968017), (7, 2881995431), (17, 1186704001), (49, 411713633), (119, 169529143), (137, 147255241), (833, 24218449), (959, 21036463), (2329, 8662073), (6713, 3005209), (16303, 1237439), (114121, 176777)]