20617449

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2671}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 28729344

約数和(自身を除く): 8111895

約数列:

[1, 3, 31, 83, 93, 249, 2573, 2671, 7719, 8013, 82801, 221693, 248403, 665079, 6872483, 20617449]

約数ペア:

[(1, 20617449), (3, 6872483), (31, 665079), (83, 248403), (93, 221693), (249, 82801), (2573, 8013), (2671, 7719)]