20580315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{196003}}^1$

素因数の和:196018

約数の個数: 16

約数和(自身を含む): 37632768

約数和(自身を除く): 17052453

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 196003, 588009, 980015, 1372021, 2940045, 4116063, 6860105, 20580315]

約数ペア:

[(1, 20580315), (3, 6860105), (5, 4116063), (7, 2940045), (15, 1372021), (21, 980015), (35, 588009), (105, 196003)]