20548995

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33413}}^1$

素因数の和:33462

約数の個数: 16

約数和(自身を含む): 33681312

約数和(自身を除く): 13132317

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33413, 100239, 167065, 501195, 1369933, 4109799, 6849665, 20548995]

約数ペア:

[(1, 20548995), (3, 6849665), (5, 4109799), (15, 1369933), (41, 501195), (123, 167065), (205, 100239), (615, 33413)]