20762859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 10848021

約数列:

[1, 3, 13, 23, 39, 69, 79, 237, 293, 299, 879, 897, 1027, 1817, 3081, 3809, 5451, 6739, 11427, 20217, 23147, 23621, 69441, 70863, 87607, 262821, 300911, 532381, 902733, 1597143, 6920953, 20762859]

約数ペア:

[(1, 20762859), (3, 6920953), (13, 1597143), (23, 902733), (39, 532381), (69, 300911), (79, 262821), (237, 87607), (293, 70863), (299, 69441), (879, 23621), (897, 23147), (1027, 20217), (1817, 11427), (3081, 6739), (3809, 5451)]