20797856365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{476851}}^1$

素因数の和:476941

約数の個数: 32

約数和(自身を含む): 29801342592

約数和(自身を除く): 9003486227

約数列:

[1, 5, 11, 13, 55, 61, 65, 143, 305, 671, 715, 793, 3355, 3965, 8723, 43615, 476851, 2384255, 5245361, 6199063, 26226805, 29087911, 30995315, 68189693, 145439555, 319967021, 340948465, 378142843, 1599835105, 1890714215, 4159571273, 20797856365]

約数ペア:

[(1, 20797856365), (5, 4159571273), (11, 1890714215), (13, 1599835105), (55, 378142843), (61, 340948465), (65, 319967021), (143, 145439555), (305, 68189693), (671, 30995315), (715, 29087911), (793, 26226805), (3355, 6199063), (3965, 5245361), (8723, 2384255), (43615, 476851)]