9813820

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2711}}^1$

素因数の和:2901

約数の個数: 24

約数和(自身を含む): 20730528

約数和(自身を除く): 10916708

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 2711, 3620, 5422, 10844, 13555, 27110, 54220, 490691, 981382, 1962764, 2453455, 4906910, 9813820]

約数ペア:

[(1, 9813820), (2, 4906910), (4, 2453455), (5, 1962764), (10, 981382), (20, 490691), (181, 54220), (362, 27110), (724, 13555), (905, 10844), (1810, 5422), (2711, 3620)]