20621062

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 41483232

約数和(自身を除く): 20862170

約数列:

[1, 2, 7, 11, 14, 22, 37, 47, 49, 74, 77, 94, 98, 121, 154, 242, 259, 329, 407, 517, 518, 539, 658, 814, 847, 1034, 1078, 1694, 1739, 1813, 2303, 2849, 3478, 3619, 3626, 4477, 4606, 5687, 5698, 5929, 7238, 8954, 11374, 11858, 12173, 19129, 19943, 24346, 25333, 31339, 38258, 39809, 39886, 50666, 62678, 79618, 85211, 133903, 170422, 210419, 219373, 267806, 278663, 420838, 438746, 557326, 937321, 1472933, 1874642, 2945866, 10310531, 20621062]

約数ペア:

[(1, 20621062), (2, 10310531), (7, 2945866), (11, 1874642), (14, 1472933), (22, 937321), (37, 557326), (47, 438746), (49, 420838), (74, 278663), (77, 267806), (94, 219373), (98, 210419), (121, 170422), (154, 133903), (242, 85211), (259, 79618), (329, 62678), (407, 50666), (517, 39886), (518, 39809), (539, 38258), (658, 31339), (814, 25333), (847, 24346), (1034, 19943), (1078, 19129), (1694, 12173), (1739, 11858), (1813, 11374), (2303, 8954), (2849, 7238), (3478, 5929), (3619, 5698), (3626, 5687), (4477, 4606)]