20882547

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3041}}^1$

素因数の和:3163

約数の個数: 24

約数和(自身を含む): 34800480

約数和(自身を除く): 13917933

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 3041, 6867, 9123, 21287, 27369, 63861, 191583, 331469, 994407, 2320283, 2983221, 6960849, 20882547]

約数ペア:

[(1, 20882547), (3, 6960849), (7, 2983221), (9, 2320283), (21, 994407), (63, 331469), (109, 191583), (327, 63861), (763, 27369), (981, 21287), (2289, 9123), (3041, 6867)]