20678477876

素因数分解:

$2^2\times 7^1\times {\mathrm{6679}}^1\times {\mathrm{110573}}^1$

素因数の和:117263

約数の個数: 24

約数和(自身を含む): 41363521920

約数和(自身を除く): 20685044044

約数列:

[1, 2, 4, 7, 14, 28, 6679, 13358, 26716, 46753, 93506, 110573, 187012, 221146, 442292, 774011, 1548022, 3096044, 738517067, 1477034134, 2954068268, 5169619469, 10339238938, 20678477876]

約数ペア:

[(1, 20678477876), (2, 10339238938), (4, 5169619469), (7, 2954068268), (14, 1477034134), (28, 738517067), (6679, 3096044), (13358, 1548022), (26716, 774011), (46753, 442292), (93506, 221146), (110573, 187012)]