20210168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2767}}^1$

素因数の和:2867

約数の個数: 32

約数和(自身を含む): 41852160

約数和(自身を除く): 21641992

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 2767, 3652, 5534, 7304, 11068, 22136, 30437, 60874, 121748, 229661, 243496, 459322, 918644, 1837288, 2526271, 5052542, 10105084, 20210168]

約数ペア:

[(1, 20210168), (2, 10105084), (4, 5052542), (8, 2526271), (11, 1837288), (22, 918644), (44, 459322), (83, 243496), (88, 229661), (166, 121748), (332, 60874), (664, 30437), (913, 22136), (1826, 11068), (2767, 7304), (3652, 5534)]