20178872757

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{479}}^1\times {\mathrm{42943}}^1$

素因数の和:43537

約数の個数: 24

約数和(自身を含む): 29476761600

約数和(自身を除く): 9297888843

約数列:

[1, 3, 9, 109, 327, 479, 981, 1437, 4311, 42943, 52211, 128829, 156633, 386487, 469899, 4680787, 14042361, 20569697, 42127083, 61709091, 185127273, 2242096973, 6726290919, 20178872757]

約数ペア:

[(1, 20178872757), (3, 6726290919), (9, 2242096973), (109, 185127273), (327, 61709091), (479, 42127083), (981, 20569697), (1437, 14042361), (4311, 4680787), (42943, 469899), (52211, 386487), (128829, 156633)]