20797462

素因数分解:

$2^1\times 7^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 40

約数和(自身を含む): 37510992

約数和(自身を除く): 16713530

約数列:

[1, 2, 7, 14, 49, 61, 71, 98, 122, 142, 343, 427, 497, 686, 854, 994, 2401, 2989, 3479, 4331, 4802, 5978, 6958, 8662, 20923, 24353, 30317, 41846, 48706, 60634, 146461, 170471, 212219, 292922, 340942, 424438, 1485533, 2971066, 10398731, 20797462]

約数ペア:

[(1, 20797462), (2, 10398731), (7, 2971066), (14, 1485533), (49, 424438), (61, 340942), (71, 292922), (98, 212219), (122, 170471), (142, 146461), (343, 60634), (427, 48706), (497, 41846), (686, 30317), (854, 24353), (994, 20923), (2401, 8662), (2989, 6958), (3479, 5978), (4331, 4802)]