20619664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99133}}^1$

素因数の和:99154

約数の個数: 20

約数和(自身を含む): 43024156

約数和(自身を除く): 22404492

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99133, 198266, 396532, 793064, 1288729, 1586128, 2577458, 5154916, 10309832, 20619664]

約数ペア:

[(1, 20619664), (2, 10309832), (4, 5154916), (8, 2577458), (13, 1586128), (16, 1288729), (26, 793064), (52, 396532), (104, 198266), (208, 99133)]