20008115

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3209}}^1$

素因数の和:3286

約数の個数: 16

約数和(自身を含む): 25423200

約数和(自身を除く): 5415085

約数列:

[1, 5, 29, 43, 145, 215, 1247, 3209, 6235, 16045, 93061, 137987, 465305, 689935, 4001623, 20008115]

約数ペア:

[(1, 20008115), (5, 4001623), (29, 689935), (43, 465305), (145, 137987), (215, 93061), (1247, 16045), (3209, 6235)]