20711090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19001}}^1$

素因数の和:19117

約数の個数: 16

約数和(自身を含む): 37623960

約数和(自身を除く): 16912870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 19001, 38002, 95005, 190010, 2071109, 4142218, 10355545, 20711090]

約数ペア:

[(1, 20711090), (2, 10355545), (5, 4142218), (10, 2071109), (109, 190010), (218, 95005), (545, 38002), (1090, 19001)]