20346858

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 57620160

約数和(自身を除く): 37273302

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 34, 42, 46, 49, 51, 59, 63, 69, 98, 102, 118, 119, 126, 138, 147, 153, 161, 177, 207, 238, 294, 306, 322, 354, 357, 391, 413, 414, 441, 483, 531, 714, 782, 826, 833, 882, 966, 1003, 1062, 1071, 1127, 1173, 1239, 1357, 1449, 1666, 2006, 2142, 2254, 2346, 2478, 2499, 2714, 2737, 2891, 2898, 3009, 3381, 3519, 3717, 4071, 4998, 5474, 5782, 6018, 6762, 7021, 7038, 7434, 7497, 8142, 8211, 8673, 9027, 9499, 10143, 12213, 14042, 14994, 16422, 17346, 18054, 18998, 19159, 20286, 21063, 23069, 24426, 24633, 26019, 28497, 38318, 42126, 46138, 49147, 49266, 52038, 56994, 57477, 63189, 66493, 69207, 85491, 98294, 114954, 126378, 132986, 138414, 147441, 161483, 170982, 172431, 199479, 207621, 294882, 322966, 344862, 398958, 415242, 442323, 484449, 598437, 884646, 968898, 1130381, 1196874, 1453347, 2260762, 2906694, 3391143, 6782286, 10173429, 20346858]

約数ペア:

[(1, 20346858), (2, 10173429), (3, 6782286), (6, 3391143), (7, 2906694), (9, 2260762), (14, 1453347), (17, 1196874), (18, 1130381), (21, 968898), (23, 884646), (34, 598437), (42, 484449), (46, 442323), (49, 415242), (51, 398958), (59, 344862), (63, 322966), (69, 294882), (98, 207621), (102, 199479), (118, 172431), (119, 170982), (126, 161483), (138, 147441), (147, 138414), (153, 132986), (161, 126378), (177, 114954), (207, 98294), (238, 85491), (294, 69207), (306, 66493), (322, 63189), (354, 57477), (357, 56994), (391, 52038), (413, 49266), (414, 49147), (441, 46138), (483, 42126), (531, 38318), (714, 28497), (782, 26019), (826, 24633), (833, 24426), (882, 23069), (966, 21063), (1003, 20286), (1062, 19159), (1071, 18998), (1127, 18054), (1173, 17346), (1239, 16422), (1357, 14994), (1449, 14042), (1666, 12213), (2006, 10143), (2142, 9499), (2254, 9027), (2346, 8673), (2478, 8211), (2499, 8142), (2714, 7497), (2737, 7434), (2891, 7038), (2898, 7021), (3009, 6762), (3381, 6018), (3519, 5782), (3717, 5474), (4071, 4998)]