20105680045

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{269}}^1\times {\mathrm{1021}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 26664082200

約数和(自身を除く): 6558402155

約数列:

[1, 5, 11, 55, 121, 269, 605, 1021, 1331, 1345, 2959, 5105, 6655, 11231, 14641, 14795, 32549, 56155, 73205, 123541, 162745, 274649, 358039, 617705, 1358951, 1373245, 1790195, 3021139, 3938429, 6794755, 14948461, 15105695, 19692145, 33232529, 74742305, 166162645, 365557819, 1827789095, 4021136009, 20105680045]

約数ペア:

[(1, 20105680045), (5, 4021136009), (11, 1827789095), (55, 365557819), (121, 166162645), (269, 74742305), (605, 33232529), (1021, 19692145), (1331, 15105695), (1345, 14948461), (2959, 6794755), (5105, 3938429), (6655, 3021139), (11231, 1790195), (14641, 1373245), (14795, 1358951), (32549, 617705), (56155, 358039), (73205, 274649), (123541, 162745)]