20413071

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11173}}^1$

素因数の和:11215

約数の個数: 24

約数和(自身を含む): 34862880

約数和(自身を除く): 14449809

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11173, 33519, 78211, 100557, 234633, 324017, 703899, 972051, 2268119, 2916153, 6804357, 20413071]

約数ペア:

[(1, 20413071), (3, 6804357), (7, 2916153), (9, 2268119), (21, 972051), (29, 703899), (63, 324017), (87, 234633), (203, 100557), (261, 78211), (609, 33519), (1827, 11173)]