20559848

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1013}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 40154400

約数和(自身を除く): 19594552

約数列:

[1, 2, 4, 8, 43, 59, 86, 118, 172, 236, 344, 472, 1013, 2026, 2537, 4052, 5074, 8104, 10148, 20296, 43559, 59767, 87118, 119534, 174236, 239068, 348472, 478136, 2569981, 5139962, 10279924, 20559848]

約数ペア:

[(1, 20559848), (2, 10279924), (4, 5139962), (8, 2569981), (43, 478136), (59, 348472), (86, 239068), (118, 174236), (172, 119534), (236, 87118), (344, 59767), (472, 43559), (1013, 20296), (2026, 10148), (2537, 8104), (4052, 5074)]