20091019

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 22392832

約数和(自身を除く): 2301813

約数列:

[1, 13, 43, 127, 283, 559, 1651, 3679, 5461, 12169, 35941, 70993, 158197, 467233, 1545463, 20091019]

約数ペア:

[(1, 20091019), (13, 1545463), (43, 467233), (127, 158197), (283, 70993), (559, 35941), (1651, 12169), (3679, 5461)]