20818442827

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1\times {\mathrm{140611}}^1$

素因数の和:142258

約数の個数: 16

約数和(自身を含む): 25638629632

約数和(自身を除く): 4820186805

約数列:

[1, 7, 13, 91, 1627, 11389, 21151, 140611, 148057, 984277, 1827943, 12795601, 228774097, 1601418679, 2974063261, 20818442827]

約数ペア:

[(1, 20818442827), (7, 2974063261), (13, 1601418679), (91, 228774097), (1627, 12795601), (11389, 1827943), (21151, 984277), (140611, 148057)]