20760075

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{269}}^1$

素因数の和:306

約数の個数: 72

約数和(自身を含む): 43524000

約数和(自身を除く): 22763925

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 269, 315, 343, 441, 525, 735, 807, 1029, 1225, 1345, 1575, 1715, 1883, 2205, 2421, 3087, 3675, 4035, 5145, 5649, 6725, 8575, 9415, 11025, 12105, 13181, 15435, 16947, 20175, 25725, 28245, 39543, 47075, 60525, 65905, 77175, 84735, 92267, 118629, 141225, 197715, 276801, 329525, 423675, 461335, 593145, 830403, 988575, 1384005, 2306675, 2965725, 4152015, 6920025, 20760075]

約数ペア:

[(1, 20760075), (3, 6920025), (5, 4152015), (7, 2965725), (9, 2306675), (15, 1384005), (21, 988575), (25, 830403), (35, 593145), (45, 461335), (49, 423675), (63, 329525), (75, 276801), (105, 197715), (147, 141225), (175, 118629), (225, 92267), (245, 84735), (269, 77175), (315, 65905), (343, 60525), (441, 47075), (525, 39543), (735, 28245), (807, 25725), (1029, 20175), (1225, 16947), (1345, 15435), (1575, 13181), (1715, 12105), (1883, 11025), (2205, 9415), (2421, 8575), (3087, 6725), (3675, 5649), (4035, 5145)]