20178906045

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1\times {\mathrm{12703}}^1$

素因数の和:13621

約数の個数: 32

約数和(自身を含む): 32566551552

約数和(自身を除く): 12387645507

約数列:

[1, 3, 5, 15, 137, 411, 685, 773, 2055, 2319, 3865, 11595, 12703, 38109, 63515, 105901, 190545, 317703, 529505, 1588515, 1740311, 5220933, 8701555, 9819419, 26104665, 29458257, 49097095, 147291285, 1345260403, 4035781209, 6726302015, 20178906045]

約数ペア:

[(1, 20178906045), (3, 6726302015), (5, 4035781209), (15, 1345260403), (137, 147291285), (411, 49097095), (685, 29458257), (773, 26104665), (2055, 9819419), (2319, 8701555), (3865, 5220933), (11595, 1740311), (12703, 1588515), (38109, 529505), (63515, 317703), (105901, 190545)]