20320202888

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{661}}^1\times {\mathrm{12277}}^1$

素因数の和:13257

約数の個数: 32

約数和(自身を含む): 38283049560

約数和(自身を除く): 17962846672

約数列:

[1, 2, 4, 8, 313, 626, 661, 1252, 1322, 2504, 2644, 5288, 12277, 24554, 49108, 98216, 206893, 413786, 827572, 1655144, 3842701, 7685402, 8115097, 15370804, 16230194, 30741608, 32460388, 64920776, 2540025361, 5080050722, 10160101444, 20320202888]

約数ペア:

[(1, 20320202888), (2, 10160101444), (4, 5080050722), (8, 2540025361), (313, 64920776), (626, 32460388), (661, 30741608), (1252, 16230194), (1322, 15370804), (2504, 8115097), (2644, 7685402), (5288, 3842701), (12277, 1655144), (24554, 827572), (49108, 413786), (98216, 206893)]