20581390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121067}}^1$

素因数の和:121091

約数の個数: 16

約数和(自身を含む): 39226032

約数和(自身を除く): 18644642

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 121067, 242134, 605335, 1210670, 2058139, 4116278, 10290695, 20581390]

約数ペア:

[(1, 20581390), (2, 10290695), (5, 4116278), (10, 2058139), (17, 1210670), (34, 605335), (85, 242134), (170, 121067)]