20495272

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2633}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 44251200

約数和(自身を除く): 23755928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2633, 3892, 5266, 7784, 10532, 18431, 21064, 36862, 73724, 147448, 365987, 731974, 1463948, 2561909, 2927896, 5123818, 10247636, 20495272]

約数ペア:

[(1, 20495272), (2, 10247636), (4, 5123818), (7, 2927896), (8, 2561909), (14, 1463948), (28, 731974), (56, 365987), (139, 147448), (278, 73724), (556, 36862), (973, 21064), (1112, 18431), (1946, 10532), (2633, 7784), (3892, 5266)]