13811620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11321}}^1$

素因数の和:11391

約数の個数: 24

約数和(自身を含む): 29482488

約数和(自身を除く): 15670868

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 11321, 22642, 45284, 56605, 113210, 226420, 690581, 1381162, 2762324, 3452905, 6905810, 13811620]

約数ペア:

[(1, 13811620), (2, 6905810), (4, 3452905), (5, 2762324), (10, 1381162), (20, 690581), (61, 226420), (122, 113210), (244, 56605), (305, 45284), (610, 22642), (1220, 11321)]