20529558

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{54311}}^1$

素因数の和:54329

約数の個数: 32

約数和(自身を含む): 52139520

約数和(自身を除く): 31609962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 54311, 108622, 162933, 325866, 380177, 488799, 760354, 977598, 1140531, 1466397, 2281062, 2932794, 3421593, 6843186, 10264779, 20529558]

約数ペア:

[(1, 20529558), (2, 10264779), (3, 6843186), (6, 3421593), (7, 2932794), (9, 2281062), (14, 1466397), (18, 1140531), (21, 977598), (27, 760354), (42, 488799), (54, 380177), (63, 325866), (126, 162933), (189, 108622), (378, 54311)]