20354665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 25419600

約数和(自身を除く): 5064935

約数列:

[1, 5, 29, 145, 229, 613, 1145, 3065, 6641, 17777, 33205, 88885, 140377, 701885, 4070933, 20354665]

約数ペア:

[(1, 20354665), (5, 4070933), (29, 701885), (145, 140377), (229, 88885), (613, 33205), (1145, 17777), (3065, 6641)]