20805965206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{1601}}^1$

素因数の和:1897

約数の個数: 64

約数和(自身を含む): 35131936896

約数和(自身を除く): 14325971690

約数列:

[1, 2, 13, 26, 41, 73, 82, 146, 167, 334, 533, 949, 1066, 1601, 1898, 2171, 2993, 3202, 4342, 5986, 6847, 12191, 13694, 20813, 24382, 38909, 41626, 65641, 77818, 89011, 116873, 131282, 158483, 178022, 233746, 267367, 316966, 499831, 534734, 853333, 999662, 1519349, 1706666, 3038698, 3475771, 4791793, 6497803, 6951542, 9583586, 10962047, 12995606, 19517791, 21924094, 39035582, 62293309, 124586618, 142506611, 253731283, 285013222, 507462566, 800229431, 1600458862, 10402982603, 20805965206]

約数ペア:

[(1, 20805965206), (2, 10402982603), (13, 1600458862), (26, 800229431), (41, 507462566), (73, 285013222), (82, 253731283), (146, 142506611), (167, 124586618), (334, 62293309), (533, 39035582), (949, 21924094), (1066, 19517791), (1601, 12995606), (1898, 10962047), (2171, 9583586), (2993, 6951542), (3202, 6497803), (4342, 4791793), (5986, 3475771), (6847, 3038698), (12191, 1706666), (13694, 1519349), (20813, 999662), (24382, 853333), (38909, 534734), (41626, 499831), (65641, 316966), (77818, 267367), (89011, 233746), (116873, 178022), (131282, 158483)]