20223749

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 6097147

約数列:

[1, 7, 13, 31, 67, 91, 107, 217, 403, 469, 749, 871, 1391, 2077, 2821, 3317, 6097, 7169, 9737, 14539, 23219, 27001, 43121, 50183, 93197, 189007, 222239, 301847, 652379, 1555673, 2889107, 20223749]

約数ペア:

[(1, 20223749), (7, 2889107), (13, 1555673), (31, 652379), (67, 301847), (91, 222239), (107, 189007), (217, 93197), (403, 50183), (469, 43121), (749, 27001), (871, 23219), (1391, 14539), (2077, 9737), (2821, 7169), (3317, 6097)]