20065311

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16763}}^1$

素因数の和:16795

約数の個数: 24

約数和(自身を含む): 34869120

約数和(自身を除く): 14803809

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16763, 50289, 117341, 150867, 318497, 352023, 955491, 1056069, 2229479, 2866473, 6688437, 20065311]

約数ペア:

[(1, 20065311), (3, 6688437), (7, 2866473), (9, 2229479), (19, 1056069), (21, 955491), (57, 352023), (63, 318497), (133, 150867), (171, 117341), (399, 50289), (1197, 16763)]