20045324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{971}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 37911888

約数和(自身を除く): 17866564

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 971, 1588, 1942, 3884, 5161, 10322, 12623, 20644, 25246, 50492, 385487, 770974, 1541948, 5011331, 10022662, 20045324]

約数ペア:

[(1, 20045324), (2, 10022662), (4, 5011331), (13, 1541948), (26, 770974), (52, 385487), (397, 50492), (794, 25246), (971, 20644), (1588, 12623), (1942, 10322), (3884, 5161)]