20958768

素因数分解:

$2^4\times 3^2\times {\mathrm{145547}}^1$

素因数の和:145561

約数の個数: 30

約数和(自身を含む): 58655844

約数和(自身を除く): 37697076

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145547, 291094, 436641, 582188, 873282, 1164376, 1309923, 1746564, 2328752, 2619846, 3493128, 5239692, 6986256, 10479384, 20958768]

約数ペア:

[(1, 20958768), (2, 10479384), (3, 6986256), (4, 5239692), (6, 3493128), (8, 2619846), (9, 2328752), (12, 1746564), (16, 1309923), (18, 1164376), (24, 873282), (36, 582188), (48, 436641), (72, 291094), (144, 145547)]