20964492

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{2543}}^1$

素因数の和:2782

約数の個数: 36

約数和(自身を含む): 53245920

約数和(自身を除く): 32281428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 2061, 2543, 2748, 4122, 5086, 7629, 8244, 10172, 15258, 22887, 30516, 45774, 91548, 582347, 1164694, 1747041, 2329388, 3494082, 5241123, 6988164, 10482246, 20964492]

約数ペア:

[(1, 20964492), (2, 10482246), (3, 6988164), (4, 5241123), (6, 3494082), (9, 2329388), (12, 1747041), (18, 1164694), (36, 582347), (229, 91548), (458, 45774), (687, 30516), (916, 22887), (1374, 15258), (2061, 10172), (2543, 8244), (2748, 7629), (4122, 5086)]