20810536

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{15959}}^1$

素因数の和:16128

約数の個数: 16

約数和(自身を含む): 39261600

約数和(自身を除く): 18451064

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 15959, 31918, 63836, 127672, 2601317, 5202634, 10405268, 20810536]

約数ペア:

[(1, 20810536), (2, 10405268), (4, 5202634), (8, 2601317), (163, 127672), (326, 63836), (652, 31918), (1304, 15959)]