20800464

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 36195888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 83, 92, 138, 166, 184, 227, 249, 276, 332, 368, 454, 498, 552, 664, 681, 908, 996, 1104, 1328, 1362, 1816, 1909, 1992, 2724, 3632, 3818, 3984, 5221, 5448, 5727, 7636, 10442, 10896, 11454, 15272, 15663, 18841, 20884, 22908, 30544, 31326, 37682, 41768, 45816, 56523, 62652, 75364, 83536, 91632, 113046, 125304, 150728, 226092, 250608, 301456, 433343, 452184, 866686, 904368, 1300029, 1733372, 2600058, 3466744, 5200116, 6933488, 10400232, 20800464]

約数ペア:

[(1, 20800464), (2, 10400232), (3, 6933488), (4, 5200116), (6, 3466744), (8, 2600058), (12, 1733372), (16, 1300029), (23, 904368), (24, 866686), (46, 452184), (48, 433343), (69, 301456), (83, 250608), (92, 226092), (138, 150728), (166, 125304), (184, 113046), (227, 91632), (249, 83536), (276, 75364), (332, 62652), (368, 56523), (454, 45816), (498, 41768), (552, 37682), (664, 31326), (681, 30544), (908, 22908), (996, 20884), (1104, 18841), (1328, 15663), (1362, 15272), (1816, 11454), (1909, 10896), (1992, 10442), (2724, 7636), (3632, 5727), (3818, 5448), (3984, 5221)]