20212843497

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{5087}}^1$

素因数の和:5378

約数の個数: 64

約数和(自身を含む): 34136653824

約数和(自身を除く): 13923810327

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 167, 231, 309, 501, 721, 1133, 1169, 1837, 2163, 3399, 3507, 5087, 5511, 7931, 12859, 15261, 17201, 23793, 35609, 38577, 51603, 55957, 106827, 120407, 167871, 189211, 361221, 391699, 523961, 567633, 849529, 1175097, 1324477, 1571883, 2548587, 3667727, 3973431, 5763571, 5946703, 9344819, 11003181, 17290713, 17840109, 28034457, 40344997, 65413733, 87501487, 121034991, 196241199, 262504461, 612510409, 962516357, 1837531227, 2887549071, 6737614499, 20212843497]

約数ペア:

[(1, 20212843497), (3, 6737614499), (7, 2887549071), (11, 1837531227), (21, 962516357), (33, 612510409), (77, 262504461), (103, 196241199), (167, 121034991), (231, 87501487), (309, 65413733), (501, 40344997), (721, 28034457), (1133, 17840109), (1169, 17290713), (1837, 11003181), (2163, 9344819), (3399, 5946703), (3507, 5763571), (5087, 3973431), (5511, 3667727), (7931, 2548587), (12859, 1571883), (15261, 1324477), (17201, 1175097), (23793, 849529), (35609, 567633), (38577, 523961), (51603, 391699), (55957, 361221), (106827, 189211), (120407, 167871)]