20453272

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 47232000

約数和(自身を除く): 26778728

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 47, 56, 76, 94, 133, 152, 188, 266, 329, 376, 409, 532, 658, 818, 893, 1064, 1316, 1636, 1786, 2632, 2863, 3272, 3572, 5726, 6251, 7144, 7771, 11452, 12502, 15542, 19223, 22904, 25004, 31084, 38446, 50008, 54397, 62168, 76892, 108794, 134561, 153784, 217588, 269122, 365237, 435176, 538244, 730474, 1076488, 1460948, 2556659, 2921896, 5113318, 10226636, 20453272]

約数ペア:

[(1, 20453272), (2, 10226636), (4, 5113318), (7, 2921896), (8, 2556659), (14, 1460948), (19, 1076488), (28, 730474), (38, 538244), (47, 435176), (56, 365237), (76, 269122), (94, 217588), (133, 153784), (152, 134561), (188, 108794), (266, 76892), (329, 62168), (376, 54397), (409, 50008), (532, 38446), (658, 31084), (818, 25004), (893, 22904), (1064, 19223), (1316, 15542), (1636, 12502), (1786, 11452), (2632, 7771), (2863, 7144), (3272, 6251), (3572, 5726)]