20877724

素因数分解:

$2^2\times 7^3\times {\mathrm{15217}}^1$

素因数の和:15242

約数の個数: 24

約数和(自身を含む): 42610400

約数和(自身を除く): 21732676

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15217, 30434, 60868, 106519, 213038, 426076, 745633, 1491266, 2982532, 5219431, 10438862, 20877724]

約数ペア:

[(1, 20877724), (2, 10438862), (4, 5219431), (7, 2982532), (14, 1491266), (28, 745633), (49, 426076), (98, 213038), (196, 106519), (343, 60868), (686, 30434), (1372, 15217)]