20687676370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89946419}}^1$

素因数の和:89946449

約数の個数: 16

約数和(自身を含む): 38856853440

約数和(自身を除く): 18169177070

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 89946419, 179892838, 449732095, 899464190, 2068767637, 4137535274, 10343838185, 20687676370]

約数ペア:

[(1, 20687676370), (2, 10343838185), (5, 4137535274), (10, 2068767637), (23, 899464190), (46, 449732095), (115, 179892838), (230, 89946419)]