20628310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121343}}^1$

素因数の和:121367

約数の個数: 16

約数和(自身を含む): 39315456

約数和(自身を除く): 18687146

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 121343, 242686, 606715, 1213430, 2062831, 4125662, 10314155, 20628310]

約数ペア:

[(1, 20628310), (2, 10314155), (5, 4125662), (10, 2062831), (17, 1213430), (34, 606715), (85, 242686), (170, 121343)]