20166183

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 30146688

約数和(自身を除く): 9980505

約数列:

[1, 3, 9, 43, 107, 129, 321, 387, 487, 963, 1461, 4383, 4601, 13803, 20941, 41409, 52109, 62823, 156327, 188469, 468981, 2240687, 6722061, 20166183]

約数ペア:

[(1, 20166183), (3, 6722061), (9, 2240687), (43, 468981), (107, 188469), (129, 156327), (321, 62823), (387, 52109), (487, 41409), (963, 20941), (1461, 13803), (4383, 4601)]