20340772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3361}}^1$

素因数の和:3471

約数の個数: 24

約数和(自身を含む): 38125080

約数和(自身を除く): 17784308

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3361, 6052, 6722, 13444, 57137, 114274, 228548, 299129, 598258, 1196516, 5085193, 10170386, 20340772]

約数ペア:

[(1, 20340772), (2, 10170386), (4, 5085193), (17, 1196516), (34, 598258), (68, 299129), (89, 228548), (178, 114274), (356, 57137), (1513, 13444), (3026, 6722), (3361, 6052)]