20966176

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 52641792

約数和(自身を除く): 31675616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 67, 77, 88, 112, 127, 134, 154, 176, 224, 254, 268, 308, 352, 469, 508, 536, 616, 737, 889, 938, 1016, 1072, 1232, 1397, 1474, 1778, 1876, 2032, 2144, 2464, 2794, 2948, 3556, 3752, 4064, 5159, 5588, 5896, 7112, 7504, 8509, 9779, 10318, 11176, 11792, 14224, 15008, 17018, 19558, 20636, 22352, 23584, 28448, 34036, 39116, 41272, 44704, 59563, 68072, 78232, 82544, 93599, 119126, 136144, 156464, 165088, 187198, 238252, 272288, 312928, 374396, 476504, 655193, 748792, 953008, 1310386, 1497584, 1906016, 2620772, 2995168, 5241544, 10483088, 20966176]

約数ペア:

[(1, 20966176), (2, 10483088), (4, 5241544), (7, 2995168), (8, 2620772), (11, 1906016), (14, 1497584), (16, 1310386), (22, 953008), (28, 748792), (32, 655193), (44, 476504), (56, 374396), (67, 312928), (77, 272288), (88, 238252), (112, 187198), (127, 165088), (134, 156464), (154, 136144), (176, 119126), (224, 93599), (254, 82544), (268, 78232), (308, 68072), (352, 59563), (469, 44704), (508, 41272), (536, 39116), (616, 34036), (737, 28448), (889, 23584), (938, 22352), (1016, 20636), (1072, 19558), (1232, 17018), (1397, 15008), (1474, 14224), (1778, 11792), (1876, 11176), (2032, 10318), (2144, 9779), (2464, 8509), (2794, 7504), (2948, 7112), (3556, 5896), (3752, 5588), (4064, 5159)]