20196643790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1089943}}^1$

素因数の和:1090076

約数の個数: 32

約数和(自身を含む): 38845604160

約数和(自身を除く): 18648960370

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 545, 1090, 1853, 3706, 9265, 18530, 1089943, 2179886, 5449715, 10899430, 18529031, 37058062, 92645155, 118803787, 185290310, 237607574, 594018935, 1188037870, 2019664379, 4039328758, 10098321895, 20196643790]

約数ペア:

[(1, 20196643790), (2, 10098321895), (5, 4039328758), (10, 2019664379), (17, 1188037870), (34, 594018935), (85, 237607574), (109, 185290310), (170, 118803787), (218, 92645155), (545, 37058062), (1090, 18529031), (1853, 10899430), (3706, 5449715), (9265, 2179886), (18530, 1089943)]