20119959

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 31084560

約数和(自身を除く): 10964601

約数列:

[1, 3, 9, 17, 51, 107, 153, 321, 963, 1229, 1819, 3687, 5457, 11061, 16371, 20893, 62679, 131503, 188037, 394509, 1183527, 2235551, 6706653, 20119959]

約数ペア:

[(1, 20119959), (3, 6706653), (9, 2235551), (17, 1183527), (51, 394509), (107, 188037), (153, 131503), (321, 62679), (963, 20893), (1229, 16371), (1819, 11061), (3687, 5457)]