20137862060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1\times {\mathrm{953}}^1$

素因数の和:1703

約数の個数: 96

約数和(自身を含む): 44865902592

約数和(自身を除く): 24728040532

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 355, 460, 647, 710, 953, 1294, 1420, 1633, 1906, 2588, 3235, 3266, 3812, 4765, 6470, 6532, 8165, 9530, 12940, 14881, 16330, 19060, 21919, 29762, 32660, 43838, 45937, 59524, 67663, 74405, 87676, 91874, 109595, 135326, 148810, 183748, 219190, 229685, 270652, 297620, 338315, 438380, 459370, 616591, 676630, 918740, 1056551, 1233182, 1353260, 1556249, 2113102, 2466364, 3082955, 3112498, 4226204, 5282755, 6165910, 6224996, 7781245, 10565510, 12331820, 14181593, 15562490, 21131020, 28363186, 31124980, 43777961, 56726372, 70907965, 87555922, 141815930, 175111844, 218889805, 283631860, 437779610, 875559220, 1006893103, 2013786206, 4027572412, 5034465515, 10068931030, 20137862060]

約数ペア:

[(1, 20137862060), (2, 10068931030), (4, 5034465515), (5, 4027572412), (10, 2013786206), (20, 1006893103), (23, 875559220), (46, 437779610), (71, 283631860), (92, 218889805), (115, 175111844), (142, 141815930), (230, 87555922), (284, 70907965), (355, 56726372), (460, 43777961), (647, 31124980), (710, 28363186), (953, 21131020), (1294, 15562490), (1420, 14181593), (1633, 12331820), (1906, 10565510), (2588, 7781245), (3235, 6224996), (3266, 6165910), (3812, 5282755), (4765, 4226204), (6470, 3112498), (6532, 3082955), (8165, 2466364), (9530, 2113102), (12940, 1556249), (14881, 1353260), (16330, 1233182), (19060, 1056551), (21919, 918740), (29762, 676630), (32660, 616591), (43838, 459370), (45937, 438380), (59524, 338315), (67663, 297620), (74405, 270652), (87676, 229685), (91874, 219190), (109595, 183748), (135326, 148810)]