20550327

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{443}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 32067456

約数和(自身を除く): 11517129

約数列:

[1, 3, 7, 21, 47, 141, 329, 443, 987, 1329, 2209, 3101, 6627, 9303, 15463, 20821, 46389, 62463, 145747, 437241, 978587, 2935761, 6850109, 20550327]

約数ペア:

[(1, 20550327), (3, 6850109), (7, 2935761), (21, 978587), (47, 437241), (141, 145747), (329, 62463), (443, 46389), (987, 20821), (1329, 15463), (2209, 9303), (3101, 6627)]