20747286

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7841}}^1$

素因数の和:7866

約数の個数: 48

約数和(自身を含む): 53639280

約数和(自身を除く): 32891994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7841, 15682, 23523, 47046, 54887, 70569, 109774, 141138, 164661, 211707, 329322, 384209, 423414, 493983, 768418, 987966, 1152627, 1481949, 2305254, 2963898, 3457881, 6915762, 10373643, 20747286]

約数ペア:

[(1, 20747286), (2, 10373643), (3, 6915762), (6, 3457881), (7, 2963898), (9, 2305254), (14, 1481949), (18, 1152627), (21, 987966), (27, 768418), (42, 493983), (49, 423414), (54, 384209), (63, 329322), (98, 211707), (126, 164661), (147, 141138), (189, 109774), (294, 70569), (378, 54887), (441, 47046), (882, 23523), (1323, 15682), (2646, 7841)]