20018824

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8719}}^1$

素因数の和:8773

約数の個数: 32

約数和(自身を含む): 43948800

約数和(自身を除く): 23929976

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8719, 17438, 34876, 61033, 69752, 122066, 244132, 357479, 488264, 714958, 1429916, 2502353, 2859832, 5004706, 10009412, 20018824]

約数ペア:

[(1, 20018824), (2, 10009412), (4, 5004706), (7, 2859832), (8, 2502353), (14, 1429916), (28, 714958), (41, 488264), (56, 357479), (82, 244132), (164, 122066), (287, 69752), (328, 61033), (574, 34876), (1148, 17438), (2296, 8719)]