20127305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12619}}^1$

素因数の和:12664

約数の個数: 16

約数和(自身を含む): 27259200

約数和(自身を除く): 7131895

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 12619, 63095, 138809, 365951, 694045, 1829755, 4025461, 20127305]

約数ペア:

[(1, 20127305), (5, 4025461), (11, 1829755), (29, 694045), (55, 365951), (145, 138809), (319, 63095), (1595, 12619)]