20818095

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5807}}^1$

素因数の和:6054

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 12635985

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5807, 17421, 29035, 87105, 1387873, 4163619, 6939365, 20818095]

約数ペア:

[(1, 20818095), (3, 6939365), (5, 4163619), (15, 1387873), (239, 87105), (717, 29035), (1195, 17421), (3585, 5807)]