20393868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3593}}^1$

素因数の和:3654

約数の個数: 48

約数和(自身を含む): 53133696

約数和(自身を除く): 32739828

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 946, 1419, 1892, 2838, 3593, 5676, 7186, 10779, 14372, 21558, 39523, 43116, 79046, 118569, 154499, 158092, 237138, 308998, 463497, 474276, 617996, 926994, 1699489, 1853988, 3398978, 5098467, 6797956, 10196934, 20393868]

約数ペア:

[(1, 20393868), (2, 10196934), (3, 6797956), (4, 5098467), (6, 3398978), (11, 1853988), (12, 1699489), (22, 926994), (33, 617996), (43, 474276), (44, 463497), (66, 308998), (86, 237138), (129, 158092), (132, 154499), (172, 118569), (258, 79046), (473, 43116), (516, 39523), (946, 21558), (1419, 14372), (1892, 10779), (2838, 7186), (3593, 5676)]