20899681455

素因数分解:

$3^1\times 5^1\times {\mathrm{4243}}^1\times {\mathrm{328379}}^1$

素因数の和:332630

約数の個数: 16

約数和(自身を含む): 33447473280

約数和(自身を除く): 12547791825

約数列:

[1, 3, 5, 15, 4243, 12729, 21215, 63645, 328379, 985137, 1641895, 4925685, 1393312097, 4179936291, 6966560485, 20899681455]

約数ペア:

[(1, 20899681455), (3, 6966560485), (5, 4179936291), (15, 1393312097), (4243, 4925685), (12729, 1641895), (21215, 985137), (63645, 328379)]