20548899

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17167}}^1$

素因数の和:17199

約数の個数: 24

約数和(自身を含む): 35709440

約数和(自身を除く): 15160541

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17167, 51501, 120169, 154503, 326173, 360507, 978519, 1081521, 2283211, 2935557, 6849633, 20548899]

約数ペア:

[(1, 20548899), (3, 6849633), (7, 2935557), (9, 2283211), (19, 1081521), (21, 978519), (57, 360507), (63, 326173), (133, 154503), (171, 120169), (399, 51501), (1197, 17167)]