20688716415

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1\times {\mathrm{19417}}^1$

素因数の和:19959

約数の個数: 32

約数和(自身を含む): 33352978176

約数和(自身を除く): 12664261761

約数列:

[1, 3, 5, 15, 251, 283, 753, 849, 1255, 1415, 3765, 4245, 19417, 58251, 71033, 97085, 213099, 291255, 355165, 1065495, 4873667, 5495011, 14621001, 16485033, 24368335, 27475055, 73105005, 82425165, 1379247761, 4137743283, 6896238805, 20688716415]

約数ペア:

[(1, 20688716415), (3, 6896238805), (5, 4137743283), (15, 1379247761), (251, 82425165), (283, 73105005), (753, 27475055), (849, 24368335), (1255, 16485033), (1415, 14621001), (3765, 5495011), (4245, 4873667), (19417, 1065495), (58251, 355165), (71033, 291255), (97085, 213099)]