20804501228

素因数分解:

$2^2\times 7^1\times {\mathrm{2131}}^1\times {\mathrm{348671}}^1$

素因数の和:350813

約数の個数: 24

約数和(自身を含む): 41628647424

約数和(自身を除く): 20824146196

約数列:

[1, 2, 4, 7, 14, 28, 2131, 4262, 8524, 14917, 29834, 59668, 348671, 697342, 1394684, 2440697, 4881394, 9762788, 743017901, 1486035802, 2972071604, 5201125307, 10402250614, 20804501228]

約数ペア:

[(1, 20804501228), (2, 10402250614), (4, 5201125307), (7, 2972071604), (14, 1486035802), (28, 743017901), (2131, 9762788), (4262, 4881394), (8524, 2440697), (14917, 1394684), (29834, 697342), (59668, 348671)]