20784906

素因数分解:

$2^1\times 3^2\times {\mathrm{547}}^1\times {\mathrm{2111}}^1$

素因数の和:2666

約数の個数: 24

約数和(自身を含む): 45137664

約数和(自身を除く): 24352758

約数列:

[1, 2, 3, 6, 9, 18, 547, 1094, 1641, 2111, 3282, 4222, 4923, 6333, 9846, 12666, 18999, 37998, 1154717, 2309434, 3464151, 6928302, 10392453, 20784906]

約数ペア:

[(1, 20784906), (2, 10392453), (3, 6928302), (6, 3464151), (9, 2309434), (18, 1154717), (547, 37998), (1094, 18999), (1641, 12666), (2111, 9846), (3282, 6333), (4222, 4923)]