20196848

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9491}}^1$

素因数の和:9525

約数の個数: 40

約数和(自身を含む): 47080320

約数和(自身を除く): 26883472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9491, 18982, 37964, 66437, 75928, 132874, 151856, 180329, 265748, 360658, 531496, 721316, 1062992, 1262303, 1442632, 2524606, 2885264, 5049212, 10098424, 20196848]

約数ペア:

[(1, 20196848), (2, 10098424), (4, 5049212), (7, 2885264), (8, 2524606), (14, 1442632), (16, 1262303), (19, 1062992), (28, 721316), (38, 531496), (56, 360658), (76, 265748), (112, 180329), (133, 151856), (152, 132874), (266, 75928), (304, 66437), (532, 37964), (1064, 18982), (2128, 9491)]