20199813738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1\times {\mathrm{2179}}^1$

素因数の和:3111

約数の個数: 64

約数和(自身を含む): 43862367360

約数和(自身を除く): 23662553622

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 757, 942, 1514, 2041, 2179, 2271, 4082, 4358, 4542, 6123, 6537, 9841, 12246, 13074, 19682, 28327, 29523, 56654, 59046, 84981, 118849, 169962, 237698, 342103, 356547, 684206, 713094, 1026309, 1545037, 1649503, 2052618, 3090074, 3299006, 4447339, 4635111, 4948509, 8894678, 9270222, 9897018, 13342017, 21443539, 26684034, 42887078, 64330617, 128661234, 258971971, 517943942, 776915913, 1553831826, 3366635623, 6733271246, 10099906869, 20199813738]

約数ペア:

[(1, 20199813738), (2, 10099906869), (3, 6733271246), (6, 3366635623), (13, 1553831826), (26, 776915913), (39, 517943942), (78, 258971971), (157, 128661234), (314, 64330617), (471, 42887078), (757, 26684034), (942, 21443539), (1514, 13342017), (2041, 9897018), (2179, 9270222), (2271, 8894678), (4082, 4948509), (4358, 4635111), (4542, 4447339), (6123, 3299006), (6537, 3090074), (9841, 2052618), (12246, 1649503), (13074, 1545037), (19682, 1026309), (28327, 713094), (29523, 684206), (56654, 356547), (59046, 342103), (84981, 237698), (118849, 169962)]