20066913

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 31190400

約数和(自身を除く): 11123487

約数列:

[1, 3, 9, 27, 37, 53, 111, 159, 333, 379, 477, 999, 1137, 1431, 1961, 3411, 5883, 10233, 14023, 17649, 20087, 42069, 52947, 60261, 126207, 180783, 378621, 542349, 743219, 2229657, 6688971, 20066913]

約数ペア:

[(1, 20066913), (3, 6688971), (9, 2229657), (27, 743219), (37, 542349), (53, 378621), (111, 180783), (159, 126207), (333, 60261), (379, 52947), (477, 42069), (999, 20087), (1137, 17649), (1431, 14023), (1961, 10233), (3411, 5883)]