20658655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{677}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 26360640

約数和(自身を除く): 5701985

約数列:

[1, 5, 17, 85, 359, 677, 1795, 3385, 6103, 11509, 30515, 57545, 243043, 1215215, 4131731, 20658655]

約数ペア:

[(1, 20658655), (5, 4131731), (17, 1215215), (85, 243043), (359, 57545), (677, 30515), (1795, 11509), (3385, 6103)]