20109047035

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{257297}}^1$

素因数の和:257356

約数の個数: 48

約数和(自身を含む): 31678529760

約数和(自身を除く): 11569482725

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 203, 245, 319, 385, 539, 1015, 1421, 1595, 2233, 2695, 7105, 11165, 15631, 78155, 257297, 1286485, 1801079, 2830267, 7461613, 9005395, 12607553, 14151335, 19811869, 37308065, 52231291, 63037765, 82077743, 99059345, 138683083, 261156455, 365619037, 410388715, 574544201, 693415415, 1828095185, 2872721005, 4021809407, 20109047035]

約数ペア:

[(1, 20109047035), (5, 4021809407), (7, 2872721005), (11, 1828095185), (29, 693415415), (35, 574544201), (49, 410388715), (55, 365619037), (77, 261156455), (145, 138683083), (203, 99059345), (245, 82077743), (319, 63037765), (385, 52231291), (539, 37308065), (1015, 19811869), (1421, 14151335), (1595, 12607553), (2233, 9005395), (2695, 7461613), (7105, 2830267), (11165, 1801079), (15631, 1286485), (78155, 257297)]