18620020

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2683}}^1$

素因数の和:3039

約数の個数: 24

約数和(自身を含む): 39229344

約数和(自身を除く): 20609324

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2683, 3470, 5366, 6940, 10732, 13415, 26830, 53660, 931001, 1862002, 3724004, 4655005, 9310010, 18620020]

約数ペア:

[(1, 18620020), (2, 9310010), (4, 4655005), (5, 3724004), (10, 1862002), (20, 931001), (347, 53660), (694, 26830), (1388, 13415), (1735, 10732), (2683, 6940), (3470, 5366)]