2013923420

素因数分解:

$2^2\times 5^1\times {\mathrm{5431}}^1\times {\mathrm{18541}}^1$

素因数の和:23981

約数の個数: 24

約数和(自身を含む): 4230246048

約数和(自身を除く): 2216322628

約数列:

[1, 2, 4, 5, 10, 20, 5431, 10862, 18541, 21724, 27155, 37082, 54310, 74164, 92705, 108620, 185410, 370820, 100696171, 201392342, 402784684, 503480855, 1006961710, 2013923420]

約数ペア:

[(1, 2013923420), (2, 1006961710), (4, 503480855), (5, 402784684), (10, 201392342), (20, 100696171), (5431, 370820), (10862, 185410), (18541, 108620), (21724, 92705), (27155, 74164), (37082, 54310)]