20156164

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16741}}^1$

素因数の和:16795

約数の個数: 24

約数和(自身を含む): 41252288

約数和(自身を除く): 21096124

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16741, 33482, 66964, 117187, 234374, 468748, 719863, 1439726, 2879452, 5039041, 10078082, 20156164]

約数ペア:

[(1, 20156164), (2, 10078082), (4, 5039041), (7, 2879452), (14, 1439726), (28, 719863), (43, 468748), (86, 234374), (172, 117187), (301, 66964), (602, 33482), (1204, 16741)]