20317023

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 33976800

約数和(自身を除く): 13659777

約数列:

[1, 3, 9, 17, 19, 29, 51, 57, 87, 153, 171, 241, 261, 323, 493, 551, 723, 969, 1479, 1653, 2169, 2907, 4097, 4437, 4579, 4959, 6989, 9367, 12291, 13737, 20967, 28101, 36873, 41211, 62901, 77843, 84303, 118813, 132791, 233529, 356439, 398373, 700587, 1069317, 1195119, 2257447, 6772341, 20317023]

約数ペア:

[(1, 20317023), (3, 6772341), (9, 2257447), (17, 1195119), (19, 1069317), (29, 700587), (51, 398373), (57, 356439), (87, 233529), (153, 132791), (171, 118813), (241, 84303), (261, 77843), (323, 62901), (493, 41211), (551, 36873), (723, 28101), (969, 20967), (1479, 13737), (1653, 12291), (2169, 9367), (2907, 6989), (4097, 4959), (4437, 4579)]