20295870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 56180736

約数和(自身を除く): 35884866

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 761, 762, 889, 1270, 1522, 1778, 1905, 2283, 2667, 3805, 3810, 4445, 4566, 5327, 5334, 7610, 8890, 10654, 11415, 13335, 15981, 22830, 26635, 26670, 31962, 53270, 79905, 96647, 159810, 193294, 289941, 483235, 579882, 676529, 966470, 1353058, 1449705, 2029587, 2899410, 3382645, 4059174, 6765290, 10147935, 20295870]

約数ペア:

[(1, 20295870), (2, 10147935), (3, 6765290), (5, 4059174), (6, 3382645), (7, 2899410), (10, 2029587), (14, 1449705), (15, 1353058), (21, 966470), (30, 676529), (35, 579882), (42, 483235), (70, 289941), (105, 193294), (127, 159810), (210, 96647), (254, 79905), (381, 53270), (635, 31962), (761, 26670), (762, 26635), (889, 22830), (1270, 15981), (1522, 13335), (1778, 11415), (1905, 10654), (2283, 8890), (2667, 7610), (3805, 5334), (3810, 5327), (4445, 4566)]