20815264329

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{5881}}^1\times {\mathrm{17609}}^1$

素因数の和:23560

約数の個数: 16

約数和(自身を含む): 28174309440

約数和(自身を除く): 7359045111

約数列:

[1, 3, 67, 201, 5881, 17609, 17643, 52827, 394027, 1179803, 1182081, 3539409, 103558529, 310675587, 6938421443, 20815264329]

約数ペア:

[(1, 20815264329), (3, 6938421443), (67, 310675587), (201, 103558529), (5881, 3539409), (17609, 1182081), (17643, 1179803), (52827, 394027)]