20214978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6779}}^1$

素因数の和:6862

約数の個数: 32

約数和(自身を含む): 46863360

約数和(自身を除く): 26648382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6779, 13558, 20337, 40674, 47453, 94906, 142359, 284718, 481309, 962618, 1443927, 2887854, 3369163, 6738326, 10107489, 20214978]

約数ペア:

[(1, 20214978), (2, 10107489), (3, 6738326), (6, 3369163), (7, 2887854), (14, 1443927), (21, 962618), (42, 481309), (71, 284718), (142, 142359), (213, 94906), (426, 47453), (497, 40674), (994, 20337), (1491, 13558), (2982, 6779)]