20820604

素因数分解:

$2^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1613}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 41757408

約数和(自身を除く): 20936804

約数列:

[1, 2, 4, 7, 14, 28, 461, 922, 1613, 1844, 3226, 3227, 6452, 6454, 11291, 12908, 22582, 45164, 743593, 1487186, 2974372, 5205151, 10410302, 20820604]

約数ペア:

[(1, 20820604), (2, 10410302), (4, 5205151), (7, 2974372), (14, 1487186), (28, 743593), (461, 45164), (922, 22582), (1613, 12908), (1844, 11291), (3226, 6454), (3227, 6452)]