20804410172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1544729}}^1$

素因数の和:1544790

約数の個数: 48

約数和(自身を含む): 46020596160

約数和(自身を除く): 25216185988

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1924, 3367, 6734, 13468, 1544729, 3089458, 6178916, 10813103, 20081477, 21626206, 40162954, 43252412, 57154973, 80325908, 114309946, 140570339, 228619892, 281140678, 400084811, 562281356, 743014649, 800169622, 1486029298, 1600339244, 2972058596, 5201102543, 10402205086, 20804410172]

約数ペア:

[(1, 20804410172), (2, 10402205086), (4, 5201102543), (7, 2972058596), (13, 1600339244), (14, 1486029298), (26, 800169622), (28, 743014649), (37, 562281356), (52, 400084811), (74, 281140678), (91, 228619892), (148, 140570339), (182, 114309946), (259, 80325908), (364, 57154973), (481, 43252412), (518, 40162954), (962, 21626206), (1036, 20081477), (1924, 10813103), (3367, 6178916), (6734, 3089458), (13468, 1544729)]