20221256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3767}}^1$

素因数の和:3845

約数の個数: 32

約数和(自身を含む): 42050880

約数和(自身を除く): 21829624

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3767, 5368, 7534, 15068, 30136, 41437, 82874, 165748, 229787, 331496, 459574, 919148, 1838296, 2527657, 5055314, 10110628, 20221256]

約数ペア:

[(1, 20221256), (2, 10110628), (4, 5055314), (8, 2527657), (11, 1838296), (22, 919148), (44, 459574), (61, 331496), (88, 229787), (122, 165748), (244, 82874), (488, 41437), (671, 30136), (1342, 15068), (2684, 7534), (3767, 5368)]