20027145

素因数分解:

$3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4349}}^1$

素因数の和:4664

約数の個数: 16

約数和(自身を含む): 32155200

約数和(自身を除く): 12128055

約数列:

[1, 3, 5, 15, 307, 921, 1535, 4349, 4605, 13047, 21745, 65235, 1335143, 4005429, 6675715, 20027145]

約数ペア:

[(1, 20027145), (3, 6675715), (5, 4005429), (15, 1335143), (307, 65235), (921, 21745), (1535, 13047), (4349, 4605)]