20764035

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2939}}^1$

素因数の和:3107

約数の個数: 24

約数和(自身を含む): 36232560

約数和(自身を除く): 15468525

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2939, 7065, 8817, 14695, 26451, 44085, 132255, 461423, 1384269, 2307115, 4152807, 6921345, 20764035]

約数ペア:

[(1, 20764035), (3, 6921345), (5, 4152807), (9, 2307115), (15, 1384269), (45, 461423), (157, 132255), (471, 44085), (785, 26451), (1413, 14695), (2355, 8817), (2939, 7065)]