20696312

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28429}}^1$

素因数の和:28455

約数の個数: 32

約数和(自身を含む): 47762400

約数和(自身を除く): 27066088

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28429, 56858, 113716, 199003, 227432, 369577, 398006, 739154, 796012, 1478308, 1592024, 2587039, 2956616, 5174078, 10348156, 20696312]

約数ペア:

[(1, 20696312), (2, 10348156), (4, 5174078), (7, 2956616), (8, 2587039), (13, 1592024), (14, 1478308), (26, 796012), (28, 739154), (52, 398006), (56, 369577), (91, 227432), (104, 199003), (182, 113716), (364, 56858), (728, 28429)]