20293455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14867}}^1$

素因数の和:14895

約数の個数: 32

約数和(自身を含む): 39965184

約数和(自身を除く): 19671729

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14867, 44601, 74335, 104069, 193271, 223005, 312207, 520345, 579813, 966355, 1352897, 1561035, 2899065, 4058691, 6764485, 20293455]

約数ペア:

[(1, 20293455), (3, 6764485), (5, 4058691), (7, 2899065), (13, 1561035), (15, 1352897), (21, 966355), (35, 579813), (39, 520345), (65, 312207), (91, 223005), (105, 193271), (195, 104069), (273, 74335), (455, 44601), (1365, 14867)]