20156976

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19997}}^1$

素因数の和:20018

約数の個数: 60

約数和(自身を含む): 64473552

約数和(自身を除く): 44316576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 19997, 39994, 59991, 79988, 119982, 139979, 159976, 179973, 239964, 279958, 319952, 359946, 419937, 479928, 559916, 719892, 839874, 959856, 1119832, 1259811, 1439784, 1679748, 2239664, 2519622, 2879568, 3359496, 5039244, 6718992, 10078488, 20156976]

約数ペア:

[(1, 20156976), (2, 10078488), (3, 6718992), (4, 5039244), (6, 3359496), (7, 2879568), (8, 2519622), (9, 2239664), (12, 1679748), (14, 1439784), (16, 1259811), (18, 1119832), (21, 959856), (24, 839874), (28, 719892), (36, 559916), (42, 479928), (48, 419937), (56, 359946), (63, 319952), (72, 279958), (84, 239964), (112, 179973), (126, 159976), (144, 139979), (168, 119982), (252, 79988), (336, 59991), (504, 39994), (1008, 19997)]