20395835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 27812160

約数和(自身を除く): 7416325

約数列:

[1, 5, 17, 19, 73, 85, 95, 173, 323, 365, 865, 1241, 1387, 1615, 2941, 3287, 6205, 6935, 12629, 14705, 16435, 23579, 55879, 63145, 117895, 214693, 239951, 279395, 1073465, 1199755, 4079167, 20395835]

約数ペア:

[(1, 20395835), (5, 4079167), (17, 1199755), (19, 1073465), (73, 279395), (85, 239951), (95, 214693), (173, 117895), (323, 63145), (365, 55879), (865, 23579), (1241, 16435), (1387, 14705), (1615, 12629), (2941, 6935), (3287, 6205)]