20166965

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 30105600

約数和(自身を除く): 9938635

約数列:

[1, 5, 7, 13, 35, 65, 91, 127, 349, 455, 635, 889, 1651, 1745, 2443, 4445, 4537, 8255, 11557, 12215, 22685, 31759, 44323, 57785, 158795, 221615, 310261, 576199, 1551305, 2880995, 4033393, 20166965]

約数ペア:

[(1, 20166965), (5, 4033393), (7, 2880995), (13, 1551305), (35, 576199), (65, 310261), (91, 221615), (127, 158795), (349, 57785), (455, 44323), (635, 31759), (889, 22685), (1651, 12215), (1745, 11557), (2443, 8255), (4445, 4537)]