20085250052

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{625397}}^1$

素因数の和:625476

約数の個数: 48

約数和(自身を含む): 42587102208

約数和(自身を除く): 22501852156

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 4588, 8029, 16058, 32116, 625397, 1250794, 2501588, 4377779, 8755558, 17511116, 19387307, 23139689, 38774614, 46279378, 77549228, 92558756, 135711149, 161977823, 271422298, 323955646, 542844596, 647911292, 717330359, 1434660718, 2869321436, 5021312513, 10042625026, 20085250052]

約数ペア:

[(1, 20085250052), (2, 10042625026), (4, 5021312513), (7, 2869321436), (14, 1434660718), (28, 717330359), (31, 647911292), (37, 542844596), (62, 323955646), (74, 271422298), (124, 161977823), (148, 135711149), (217, 92558756), (259, 77549228), (434, 46279378), (518, 38774614), (868, 23139689), (1036, 19387307), (1147, 17511116), (2294, 8755558), (4588, 4377779), (8029, 2501588), (16058, 1250794), (32116, 625397)]