20175755587

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{917789}}^1$

素因数の和:917910

約数の個数: 16

約数和(自身を含む): 23128308000

約数和(自身を除く): 2952552413

約数列:

[1, 13, 19, 89, 247, 1157, 1691, 21983, 917789, 11931257, 17437991, 81683221, 226693883, 1061881873, 1551981199, 20175755587]

約数ペア:

[(1, 20175755587), (13, 1551981199), (19, 1061881873), (89, 226693883), (247, 81683221), (1157, 17437991), (1691, 11931257), (21983, 917789)]