20188916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3301}}^1$

素因数の和:3455

約数の個数: 24

約数和(自身を含む): 38831520

約数和(自身を除く): 18642604

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3301, 6116, 6602, 13204, 36311, 72622, 145244, 458839, 917678, 1835356, 5047229, 10094458, 20188916]

約数ペア:

[(1, 20188916), (2, 10094458), (4, 5047229), (11, 1835356), (22, 917678), (44, 458839), (139, 145244), (278, 72622), (556, 36311), (1529, 13204), (3058, 6602), (3301, 6116)]