20318908

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1607}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 37144800

約数和(自身を除く): 16825892

約数列:

[1, 2, 4, 29, 58, 109, 116, 218, 436, 1607, 3161, 3214, 6322, 6428, 12644, 46603, 93206, 175163, 186412, 350326, 700652, 5079727, 10159454, 20318908]

約数ペア:

[(1, 20318908), (2, 10159454), (4, 5079727), (29, 700652), (58, 350326), (109, 186412), (116, 175163), (218, 93206), (436, 46603), (1607, 12644), (3161, 6428), (3214, 6322)]