20235981

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 7282419

約数列:

[1, 3, 83, 181, 249, 449, 543, 1347, 15023, 37267, 45069, 81269, 111801, 243807, 6745327, 20235981]

約数ペア:

[(1, 20235981), (3, 6745327), (83, 243807), (181, 111801), (249, 81269), (449, 45069), (543, 37267), (1347, 15023)]