20571616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49451}}^1$

素因数の和:49474

約数の個数: 24

約数和(自身を含む): 43616664

約数和(自身を除く): 23045048

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49451, 98902, 197804, 395608, 642863, 791216, 1285726, 1582432, 2571452, 5142904, 10285808, 20571616]

約数ペア:

[(1, 20571616), (2, 10285808), (4, 5142904), (8, 2571452), (13, 1582432), (16, 1285726), (26, 791216), (32, 642863), (52, 395608), (104, 197804), (208, 98902), (416, 49451)]