20673609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{4507}}^1$

素因数の和:4660

約数の個数: 16

約数和(自身を含む): 30293760

約数和(自身を除く): 9620151

約数列:

[1, 3, 11, 33, 139, 417, 1529, 4507, 4587, 13521, 49577, 148731, 626473, 1879419, 6891203, 20673609]

約数ペア:

[(1, 20673609), (3, 6891203), (11, 1879419), (33, 626473), (139, 148731), (417, 49577), (1529, 13521), (4507, 4587)]