20512246552

素因数分解:

$2^3\times 7^1\times {\mathrm{691}}^1\times {\mathrm{530087}}^1$

素因数の和:530791

約数の個数: 32

約数和(自身を含む): 44018507520

約数和(自身を除く): 23506260968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 691, 1382, 2764, 4837, 5528, 9674, 19348, 38696, 530087, 1060174, 2120348, 3710609, 4240696, 7421218, 14842436, 29684872, 366290117, 732580234, 1465160468, 2564030819, 2930320936, 5128061638, 10256123276, 20512246552]

約数ペア:

[(1, 20512246552), (2, 10256123276), (4, 5128061638), (7, 2930320936), (8, 2564030819), (14, 1465160468), (28, 732580234), (56, 366290117), (691, 29684872), (1382, 14842436), (2764, 7421218), (4837, 4240696), (5528, 3710609), (9674, 2120348), (19348, 1060174), (38696, 530087)]