20568093

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 35239680

約数和(自身を除く): 14671587

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 229, 273, 329, 611, 637, 687, 987, 1603, 1833, 1911, 2303, 2977, 4277, 4809, 6909, 8931, 10763, 11221, 12831, 20839, 29939, 32289, 33663, 62517, 75341, 89817, 139919, 145873, 226023, 419757, 437619, 527387, 979433, 1582161, 2938299, 6856031, 20568093]

約数ペア:

[(1, 20568093), (3, 6856031), (7, 2938299), (13, 1582161), (21, 979433), (39, 527387), (47, 437619), (49, 419757), (91, 226023), (141, 145873), (147, 139919), (229, 89817), (273, 75341), (329, 62517), (611, 33663), (637, 32289), (687, 29939), (987, 20839), (1603, 12831), (1833, 11221), (1911, 10763), (2303, 8931), (2977, 6909), (4277, 4809)]