20840616

素因数分解:

$2^3\times 3^2\times {\mathrm{289453}}^1$

素因数の和:289465

約数の個数: 24

約数和(自身を含む): 56443530

約数和(自身を除く): 35602914

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289453, 578906, 868359, 1157812, 1736718, 2315624, 2605077, 3473436, 5210154, 6946872, 10420308, 20840616]

約数ペア:

[(1, 20840616), (2, 10420308), (3, 6946872), (4, 5210154), (6, 3473436), (8, 2605077), (9, 2315624), (12, 1736718), (18, 1157812), (24, 868359), (36, 578906), (72, 289453)]