20867655

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8861}}^1$

素因数の和:9026

約数の個数: 16

約数和(自身を含む): 33604704

約数和(自身を除く): 12737049

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8861, 26583, 44305, 132915, 1391177, 4173531, 6955885, 20867655]

約数ペア:

[(1, 20867655), (3, 6955885), (5, 4173531), (15, 1391177), (157, 132915), (471, 44305), (785, 26583), (2355, 8861)]