20614644

素因数分解:

$2^2\times 3^2\times {\mathrm{572629}}^1$

素因数の和:572639

約数の個数: 18

約数和(自身を含む): 52109330

約数和(自身を除く): 31494686

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 572629, 1145258, 1717887, 2290516, 3435774, 5153661, 6871548, 10307322, 20614644]

約数ペア:

[(1, 20614644), (2, 10307322), (3, 6871548), (4, 5153661), (6, 3435774), (9, 2290516), (12, 1717887), (18, 1145258), (36, 572629)]