20165052355

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{1109}}^1$

素因数の和:1916

約数の個数: 64

約数和(自身を含む): 29964672000

約数和(自身を除く): 9799619645

約数列:

[1, 5, 7, 19, 35, 37, 95, 133, 185, 259, 665, 703, 739, 1109, 1295, 3515, 3695, 4921, 5173, 5545, 7763, 14041, 21071, 24605, 25865, 27343, 38815, 41033, 70205, 98287, 105355, 136715, 147497, 191401, 205165, 287231, 491435, 519517, 737485, 779627, 819551, 957005, 1436155, 2597585, 3636619, 3898135, 4097755, 5457389, 5736857, 15571469, 18183095, 27286945, 28684285, 30323387, 77857345, 109000283, 151616935, 212263709, 545001415, 576144353, 1061318545, 2880721765, 4033010471, 20165052355]

約数ペア:

[(1, 20165052355), (5, 4033010471), (7, 2880721765), (19, 1061318545), (35, 576144353), (37, 545001415), (95, 212263709), (133, 151616935), (185, 109000283), (259, 77857345), (665, 30323387), (703, 28684285), (739, 27286945), (1109, 18183095), (1295, 15571469), (3515, 5736857), (3695, 5457389), (4921, 4097755), (5173, 3898135), (5545, 3636619), (7763, 2597585), (14041, 1436155), (21071, 957005), (24605, 819551), (25865, 779627), (27343, 737485), (38815, 519517), (41033, 491435), (70205, 287231), (98287, 205165), (105355, 191401), (136715, 147497)]