20407348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 40755456

約数和(自身を除く): 20348108

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 113, 151, 226, 299, 302, 452, 598, 604, 1196, 1469, 1963, 2599, 2938, 3473, 3926, 5198, 5876, 6946, 7852, 10396, 13892, 17063, 33787, 34126, 45149, 67574, 68252, 90298, 135148, 180596, 221819, 392449, 443638, 784898, 887276, 1569796, 5101837, 10203674, 20407348]

約数ペア:

[(1, 20407348), (2, 10203674), (4, 5101837), (13, 1569796), (23, 887276), (26, 784898), (46, 443638), (52, 392449), (92, 221819), (113, 180596), (151, 135148), (226, 90298), (299, 68252), (302, 67574), (452, 45149), (598, 34126), (604, 33787), (1196, 17063), (1469, 13892), (1963, 10396), (2599, 7852), (2938, 6946), (3473, 5876), (3926, 5198)]