20173593916

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{474941}}^1$

素因数の和:475030

約数の個数: 48

約数和(自身を含む): 42448416192

約数和(自身を除く): 22274822276

約数列:

[1, 2, 4, 7, 14, 28, 37, 41, 74, 82, 148, 164, 259, 287, 518, 574, 1036, 1148, 1517, 3034, 6068, 10619, 21238, 42476, 474941, 949882, 1899764, 3324587, 6649174, 13298348, 17572817, 19472581, 35145634, 38945162, 70291268, 77890324, 123009719, 136308067, 246019438, 272616134, 492038876, 545232268, 720485497, 1440970994, 2881941988, 5043398479, 10086796958, 20173593916]

約数ペア:

[(1, 20173593916), (2, 10086796958), (4, 5043398479), (7, 2881941988), (14, 1440970994), (28, 720485497), (37, 545232268), (41, 492038876), (74, 272616134), (82, 246019438), (148, 136308067), (164, 123009719), (259, 77890324), (287, 70291268), (518, 38945162), (574, 35145634), (1036, 19472581), (1148, 17572817), (1517, 13298348), (3034, 6649174), (6068, 3324587), (10619, 1899764), (21238, 949882), (42476, 474941)]