20123251967

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{10459}}^1\times {\mathrm{21143}}^1$

素因数の和:31622

約数の個数: 16

約数和(自身を含む): 24770618880

約数和(自身を除く): 4647366913

約数列:

[1, 7, 13, 91, 10459, 21143, 73213, 135967, 148001, 274859, 951769, 1924013, 221134637, 1547942459, 2874750281, 20123251967]

約数ペア:

[(1, 20123251967), (7, 2874750281), (13, 1547942459), (91, 221134637), (10459, 1924013), (21143, 951769), (73213, 274859), (135967, 148001)]