20497576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1429}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 42213600

約数和(自身を除く): 21716024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 163, 326, 652, 1304, 1429, 1793, 2858, 3586, 5716, 7172, 11432, 14344, 15719, 31438, 62876, 125752, 232927, 465854, 931708, 1863416, 2562197, 5124394, 10248788, 20497576]

約数ペア:

[(1, 20497576), (2, 10248788), (4, 5124394), (8, 2562197), (11, 1863416), (22, 931708), (44, 465854), (88, 232927), (163, 125752), (326, 62876), (652, 31438), (1304, 15719), (1429, 14344), (1793, 11432), (2858, 7172), (3586, 5716)]