20923128

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5483}}^1$

素因数の和:5548

約数の個数: 48

約数和(自身を含む): 57746520

約数和(自身を除く): 36823392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5483, 10966, 16449, 21932, 32898, 43864, 49347, 65796, 98694, 131592, 197388, 290599, 394776, 581198, 871797, 1162396, 1743594, 2324792, 2615391, 3487188, 5230782, 6974376, 10461564, 20923128]

約数ペア:

[(1, 20923128), (2, 10461564), (3, 6974376), (4, 5230782), (6, 3487188), (8, 2615391), (9, 2324792), (12, 1743594), (18, 1162396), (24, 871797), (36, 581198), (53, 394776), (72, 290599), (106, 197388), (159, 131592), (212, 98694), (318, 65796), (424, 49347), (477, 43864), (636, 32898), (954, 21932), (1272, 16449), (1908, 10966), (3816, 5483)]