20770655

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 25552800

約数和(自身を除く): 4782145

約数列:

[1, 5, 59, 181, 295, 389, 905, 1945, 10679, 22951, 53395, 70409, 114755, 352045, 4154131, 20770655]

約数ペア:

[(1, 20770655), (5, 4154131), (59, 352045), (181, 114755), (295, 70409), (389, 53395), (905, 22951), (1945, 10679)]