20453455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{997}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 26874144

約数和(自身を除く): 6420689

約数列:

[1, 5, 11, 55, 373, 997, 1865, 4103, 4985, 10967, 20515, 54835, 371881, 1859405, 4090691, 20453455]

約数ペア:

[(1, 20453455), (5, 4090691), (11, 1859405), (55, 371881), (373, 54835), (997, 20515), (1865, 10967), (4103, 4985)]