20934784

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 46952640

約数和(自身を除く): 26017856

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 547, 598, 736, 832, 1094, 1196, 1472, 1664, 2188, 2392, 2944, 4376, 4784, 7111, 8752, 9568, 12581, 14222, 17504, 19136, 25162, 28444, 35008, 38272, 50324, 56888, 70016, 100648, 113776, 163553, 201296, 227552, 327106, 402592, 455104, 654212, 805184, 910208, 1308424, 1610368, 2616848, 5233696, 10467392, 20934784]

約数ペア:

[(1, 20934784), (2, 10467392), (4, 5233696), (8, 2616848), (13, 1610368), (16, 1308424), (23, 910208), (26, 805184), (32, 654212), (46, 455104), (52, 402592), (64, 327106), (92, 227552), (104, 201296), (128, 163553), (184, 113776), (208, 100648), (299, 70016), (368, 56888), (416, 50324), (547, 38272), (598, 35008), (736, 28444), (832, 25162), (1094, 19136), (1196, 17504), (1472, 14222), (1664, 12581), (2188, 9568), (2392, 8752), (2944, 7111), (4376, 4784)]