20123961065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{3889}}^1\times {\mathrm{79609}}^1$

素因数の和:83516

約数の個数: 16

約数和(自身を含む): 26013363600

約数和(自身を除く): 5889402535

約数列:

[1, 5, 13, 65, 3889, 19445, 50557, 79609, 252785, 398045, 1034917, 5174585, 309599401, 1547997005, 4024792213, 20123961065]

約数ペア:

[(1, 20123961065), (5, 4024792213), (13, 1547997005), (65, 309599401), (3889, 5174585), (19445, 1034917), (50557, 398045), (79609, 252785)]