20163022990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{408241}}^1$

素因数の和:408708

約数の個数: 32

約数和(自身を含む): 39681122400

約数和(自身を除く): 19518099410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 898, 2245, 4490, 4939, 9878, 24695, 49390, 408241, 816482, 2041205, 4082410, 4490651, 8981302, 22453255, 44906510, 183300209, 366600418, 916501045, 1833002090, 2016302299, 4032604598, 10081511495, 20163022990]

約数ペア:

[(1, 20163022990), (2, 10081511495), (5, 4032604598), (10, 2016302299), (11, 1833002090), (22, 916501045), (55, 366600418), (110, 183300209), (449, 44906510), (898, 22453255), (2245, 8981302), (4490, 4490651), (4939, 4082410), (9878, 2041205), (24695, 816482), (49390, 408241)]