16720808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3739}}^1$

素因数の和:3801

約数の個数: 32

約数和(自身を含む): 34557600

約数和(自身を除く): 17836792

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 3739, 4472, 7478, 14956, 29912, 48607, 97214, 160777, 194428, 321554, 388856, 643108, 1286216, 2090101, 4180202, 8360404, 16720808]

約数ペア:

[(1, 16720808), (2, 8360404), (4, 4180202), (8, 2090101), (13, 1286216), (26, 643108), (43, 388856), (52, 321554), (86, 194428), (104, 160777), (172, 97214), (344, 48607), (559, 29912), (1118, 14956), (2236, 7478), (3739, 4472)]