20556186

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2411}}^1$

素因数の和:2459

約数の個数: 48

約数和(自身を含む): 49494240

約数和(自身を除く): 28938054

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 174, 203, 294, 406, 609, 1218, 1421, 2411, 2842, 4263, 4822, 7233, 8526, 14466, 16877, 33754, 50631, 69919, 101262, 118139, 139838, 209757, 236278, 354417, 419514, 489433, 708834, 978866, 1468299, 2936598, 3426031, 6852062, 10278093, 20556186]

約数ペア:

[(1, 20556186), (2, 10278093), (3, 6852062), (6, 3426031), (7, 2936598), (14, 1468299), (21, 978866), (29, 708834), (42, 489433), (49, 419514), (58, 354417), (87, 236278), (98, 209757), (147, 139838), (174, 118139), (203, 101262), (294, 69919), (406, 50631), (609, 33754), (1218, 16877), (1421, 14466), (2411, 8526), (2842, 7233), (4263, 4822)]