20000090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16529}}^1$

素因数の和:16558

約数の個数: 24

約数和(自身を含む): 39572820

約数和(自身を除く): 19572730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16529, 33058, 82645, 165290, 181819, 363638, 909095, 1818190, 2000009, 4000018, 10000045, 20000090]

約数ペア:

[(1, 20000090), (2, 10000045), (5, 4000018), (10, 2000009), (11, 1818190), (22, 909095), (55, 363638), (110, 181819), (121, 165290), (242, 82645), (605, 33058), (1210, 16529)]