20377903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1483}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 25263616

約数和(自身を除く): 4885713

約数列:

[1, 7, 13, 91, 151, 1057, 1483, 1963, 10381, 13741, 19279, 134953, 223933, 1567531, 2911129, 20377903]

約数ペア:

[(1, 20377903), (7, 2911129), (13, 1567531), (91, 223933), (151, 134953), (1057, 19279), (1483, 13741), (1963, 10381)]