20430644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1187}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 38652768

約数和(自身を除く): 18222124

約数列:

[1, 2, 4, 13, 26, 52, 331, 662, 1187, 1324, 2374, 4303, 4748, 8606, 15431, 17212, 30862, 61724, 392897, 785794, 1571588, 5107661, 10215322, 20430644]

約数ペア:

[(1, 20430644), (2, 10215322), (4, 5107661), (13, 1571588), (26, 785794), (52, 392897), (331, 61724), (662, 30862), (1187, 17212), (1324, 15431), (2374, 8606), (4303, 4748)]