20443205

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 26278560

約数和(自身を除く): 5835355

約数列:

[1, 5, 23, 59, 115, 131, 295, 529, 655, 1357, 2645, 3013, 6785, 7729, 15065, 31211, 38645, 69299, 156055, 177767, 346495, 888835, 4088641, 20443205]

約数ペア:

[(1, 20443205), (5, 4088641), (23, 888835), (59, 346495), (115, 177767), (131, 156055), (295, 69299), (529, 38645), (655, 31211), (1357, 15065), (2645, 7729), (3013, 6785)]