20538145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5843}}^1$

素因数の和:5904

約数の個数: 16

約数和(自身を含む): 26648640

約数和(自身を除く): 6110495

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 5843, 29215, 111017, 216191, 555085, 1080955, 4107629, 20538145]

約数ペア:

[(1, 20538145), (5, 4107629), (19, 1080955), (37, 555085), (95, 216191), (185, 111017), (703, 29215), (3515, 5843)]