20505165

素因数分解:

$3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{5867}}^1$

素因数の和:6108

約数の個数: 16

約数和(自身を含む): 32954688

約数和(自身を除く): 12449523

約数列:

[1, 3, 5, 15, 233, 699, 1165, 3495, 5867, 17601, 29335, 88005, 1367011, 4101033, 6835055, 20505165]

約数ペア:

[(1, 20505165), (3, 6835055), (5, 4101033), (15, 1367011), (233, 88005), (699, 29335), (1165, 17601), (3495, 5867)]