20148288385

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{999667}}^1$

素因数の和:999840

約数の個数: 16

約数和(自身を含む): 25191633600

約数和(自身を除く): 5043345215

約数列:

[1, 5, 29, 139, 145, 695, 4031, 20155, 999667, 4998335, 28990343, 138953713, 144951715, 694768565, 4029657677, 20148288385]

約数ペア:

[(1, 20148288385), (5, 4029657677), (29, 694768565), (139, 144951715), (145, 138953713), (695, 28990343), (4031, 4998335), (20155, 999667)]