20123961045

素因数分解:

$3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2575043}}^1$

素因数の和:2575572

約数の個数: 16

約数和(自身を含む): 32260151232

約数和(自身を除く): 12136190187

約数列:

[1, 3, 5, 15, 521, 1563, 2605, 7815, 2575043, 7725129, 12875215, 38625645, 1341597403, 4024792209, 6707987015, 20123961045]

約数ペア:

[(1, 20123961045), (3, 6707987015), (5, 4024792209), (15, 1341597403), (521, 38625645), (1563, 12875215), (2605, 7725129), (7815, 2575043)]