20577021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{5527}}^1$

素因数の和:5620

約数の個数: 16

約数和(自身を含む): 29453184

約数和(自身を除く): 8876163

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 5527, 16581, 93959, 281877, 403471, 1210413, 6859007, 20577021]

約数ペア:

[(1, 20577021), (3, 6859007), (17, 1210413), (51, 403471), (73, 281877), (219, 93959), (1241, 16581), (3723, 5527)]