20187178921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13049243}}^1$

素因数の和:13049280

約数の個数: 16

約数和(自身を含む): 26307275904

約数和(自身を除く): 6120096983

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13049243, 91344701, 169640159, 221837131, 1187481113, 1552859917, 2883882703, 20187178921]

約数ペア:

[(1, 20187178921), (7, 2883882703), (13, 1552859917), (17, 1187481113), (91, 221837131), (119, 169640159), (221, 91344701), (1547, 13049243)]