20030905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 24799104

約数和(自身を除く): 4768199

約数列:

[1, 5, 43, 151, 215, 617, 755, 3085, 6493, 26531, 32465, 93167, 132655, 465835, 4006181, 20030905]

約数ペア:

[(1, 20030905), (5, 4006181), (43, 465835), (151, 132655), (215, 93167), (617, 32465), (755, 26531), (3085, 6493)]