20020749854

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{349903}}^1$

素因数の和:350040

約数の個数: 32

約数和(自身を含む): 35404686336

約数和(自身を除く): 15383936482

約数列:

[1, 2, 7, 14, 61, 67, 122, 134, 427, 469, 854, 938, 4087, 8174, 28609, 57218, 349903, 699806, 2449321, 4898642, 21344083, 23443501, 42688166, 46887002, 149408581, 164104507, 298817162, 328209014, 1430053561, 2860107122, 10010374927, 20020749854]

約数ペア:

[(1, 20020749854), (2, 10010374927), (7, 2860107122), (14, 1430053561), (61, 328209014), (67, 298817162), (122, 164104507), (134, 149408581), (427, 46887002), (469, 42688166), (854, 23443501), (938, 21344083), (4087, 4898642), (8174, 2449321), (28609, 699806), (57218, 349903)]