20193989

素因数分解:

${\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:332

約数の個数: 16

約数和(自身を含む): 21665280

約数和(自身を除く): 1471291

約数列:

[1, 31, 59, 61, 181, 1829, 1891, 3599, 5611, 10679, 11041, 111569, 331049, 342271, 651419, 20193989]

約数ペア:

[(1, 20193989), (31, 651419), (59, 342271), (61, 331049), (181, 111569), (1829, 11041), (1891, 10679), (3599, 5611)]