20666772

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27337}}^1$

素因数の和:27357

約数の個数: 48

約数和(自身を含む): 61237120

約数和(自身を除く): 40570348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27337, 54674, 82011, 109348, 164022, 191359, 246033, 328044, 382718, 492066, 574077, 738099, 765436, 984132, 1148154, 1476198, 1722231, 2296308, 2952396, 3444462, 5166693, 6888924, 10333386, 20666772]

約数ペア:

[(1, 20666772), (2, 10333386), (3, 6888924), (4, 5166693), (6, 3444462), (7, 2952396), (9, 2296308), (12, 1722231), (14, 1476198), (18, 1148154), (21, 984132), (27, 765436), (28, 738099), (36, 574077), (42, 492066), (54, 382718), (63, 328044), (84, 246033), (108, 191359), (126, 164022), (189, 109348), (252, 82011), (378, 54674), (756, 27337)]