20930525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 32997888

約数和(自身を除く): 12067363

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 83, 131, 175, 275, 385, 415, 581, 655, 913, 917, 1441, 1925, 2075, 2905, 3275, 4565, 4585, 6391, 7205, 10087, 10873, 14525, 22825, 22925, 31955, 36025, 50435, 54365, 76111, 119603, 159775, 252175, 271825, 380555, 598015, 837221, 1902775, 2990075, 4186105, 20930525]

約数ペア:

[(1, 20930525), (5, 4186105), (7, 2990075), (11, 1902775), (25, 837221), (35, 598015), (55, 380555), (77, 271825), (83, 252175), (131, 159775), (175, 119603), (275, 76111), (385, 54365), (415, 50435), (581, 36025), (655, 31955), (913, 22925), (917, 22825), (1441, 14525), (1925, 10873), (2075, 10087), (2905, 7205), (3275, 6391), (4565, 4585)]