20178441405

素因数分解:

$3^2\times 5^1\times {\mathrm{448409809}}^1$

素因数の和:448409820

約数の個数: 12

約数和(自身を含む): 34975965180

約数和(自身を除く): 14797523775

約数列:

[1, 3, 5, 9, 15, 45, 448409809, 1345229427, 2242049045, 4035688281, 6726147135, 20178441405]

約数ペア:

[(1, 20178441405), (3, 6726147135), (5, 4035688281), (9, 2242049045), (15, 1345229427), (45, 448409809)]