20743664

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{1327}}^1$

素因数の和:2312

約数の個数: 20

約数和(自身を含む): 40262304

約数和(自身を除く): 19518640

約数列:

[1, 2, 4, 8, 16, 977, 1327, 1954, 2654, 3908, 5308, 7816, 10616, 15632, 21232, 1296479, 2592958, 5185916, 10371832, 20743664]

約数ペア:

[(1, 20743664), (2, 10371832), (4, 5185916), (8, 2592958), (16, 1296479), (977, 21232), (1327, 15632), (1954, 10616), (2654, 7816), (3908, 5308)]