20436675

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 40372416

約数和(自身を除く): 19935741

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 67, 75, 83, 105, 147, 175, 201, 245, 249, 335, 415, 469, 525, 581, 735, 1005, 1225, 1245, 1407, 1675, 1743, 2075, 2345, 2905, 3283, 3675, 4067, 5025, 5561, 6225, 7035, 8715, 9849, 11725, 12201, 14525, 16415, 16683, 20335, 27805, 35175, 38927, 43575, 49245, 61005, 82075, 83415, 101675, 116781, 139025, 194635, 246225, 272489, 305025, 417075, 583905, 817467, 973175, 1362445, 2919525, 4087335, 6812225, 20436675]

約数ペア:

[(1, 20436675), (3, 6812225), (5, 4087335), (7, 2919525), (15, 1362445), (21, 973175), (25, 817467), (35, 583905), (49, 417075), (67, 305025), (75, 272489), (83, 246225), (105, 194635), (147, 139025), (175, 116781), (201, 101675), (245, 83415), (249, 82075), (335, 61005), (415, 49245), (469, 43575), (525, 38927), (581, 35175), (735, 27805), (1005, 20335), (1225, 16683), (1245, 16415), (1407, 14525), (1675, 12201), (1743, 11725), (2075, 9849), (2345, 8715), (2905, 7035), (3283, 6225), (3675, 5561), (4067, 5025)]