20996715

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34141}}^1$

素因数の和:34190

約数の個数: 16

約数和(自身を含む): 34415136

約数和(自身を除く): 13418421

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 34141, 102423, 170705, 512115, 1399781, 4199343, 6998905, 20996715]

約数ペア:

[(1, 20996715), (3, 6998905), (5, 4199343), (15, 1399781), (41, 512115), (123, 170705), (205, 102423), (615, 34141)]