20138423513

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 24791961600

約数和(自身を除く): 4653538087

約数列:

[1, 13, 19, 23, 29, 247, 251, 299, 377, 437, 487, 551, 667, 3263, 4769, 5681, 5773, 6331, 7163, 7279, 8671, 9253, 11201, 12673, 14123, 61997, 75049, 94627, 109687, 120289, 122237, 138301, 145613, 164749, 167417, 183599, 212819, 268337, 324829, 1425931, 1589081, 1797913, 2176421, 2322503, 2766647, 2811451, 3180923, 3488381, 3544873, 4222777, 6171751, 30192539, 36548863, 41351999, 46083349, 53417569, 67352587, 80232763, 81532079, 694428397, 875583631, 1059917027, 1549109501, 20138423513]

約数ペア:

[(1, 20138423513), (13, 1549109501), (19, 1059917027), (23, 875583631), (29, 694428397), (247, 81532079), (251, 80232763), (299, 67352587), (377, 53417569), (437, 46083349), (487, 41351999), (551, 36548863), (667, 30192539), (3263, 6171751), (4769, 4222777), (5681, 3544873), (5773, 3488381), (6331, 3180923), (7163, 2811451), (7279, 2766647), (8671, 2322503), (9253, 2176421), (11201, 1797913), (12673, 1589081), (14123, 1425931), (61997, 324829), (75049, 268337), (94627, 212819), (109687, 183599), (120289, 167417), (122237, 164749), (138301, 145613)]