20455817811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{363989}}^1$

素因数の和:364147

約数の個数: 32

約数和(自身を含む): 32287368960

約数和(自身を除く): 11831551149

約数列:

[1, 3, 11, 13, 33, 39, 131, 143, 393, 429, 1441, 1703, 4323, 5109, 18733, 56199, 363989, 1091967, 4003879, 4731857, 12011637, 14195571, 47682559, 52050427, 143047677, 156151281, 524508149, 619873267, 1573524447, 1859619801, 6818605937, 20455817811]

約数ペア:

[(1, 20455817811), (3, 6818605937), (11, 1859619801), (13, 1573524447), (33, 619873267), (39, 524508149), (131, 156151281), (143, 143047677), (393, 52050427), (429, 47682559), (1441, 14195571), (1703, 12011637), (4323, 4731857), (5109, 4003879), (18733, 1091967), (56199, 363989)]