20721036390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{690701213}}^1$

素因数の和:690701223

約数の個数: 16

約数和(自身を含む): 49730487408

約数和(自身を除く): 29009451018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 690701213, 1381402426, 2072103639, 3453506065, 4144207278, 6907012130, 10360518195, 20721036390]

約数ペア:

[(1, 20721036390), (2, 10360518195), (3, 6907012130), (5, 4144207278), (6, 3453506065), (10, 2072103639), (15, 1381402426), (30, 690701213)]