20705008

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6133}}^1$

素因数の和:6352

約数の個数: 20

約数和(自身を含む): 40312648

約数和(自身を除く): 19607640

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6133, 12266, 24532, 49064, 98128, 1294063, 2588126, 5176252, 10352504, 20705008]

約数ペア:

[(1, 20705008), (2, 10352504), (4, 5176252), (8, 2588126), (16, 1294063), (211, 98128), (422, 49064), (844, 24532), (1688, 12266), (3376, 6133)]