20725329

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13109}}^1$

素因数の和:13160

約数の個数: 16

約数和(自身を含む): 30205440

約数和(自身を除く): 9480111

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13109, 39327, 222853, 406379, 668559, 1219137, 6908443, 20725329]

約数ペア:

[(1, 20725329), (3, 6908443), (17, 1219137), (31, 668559), (51, 406379), (93, 222853), (527, 39327), (1581, 13109)]