20286759

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 9324249

約数列:

[1, 3, 23, 41, 69, 71, 101, 123, 213, 303, 943, 1633, 2323, 2829, 2911, 4141, 4899, 6969, 7171, 8733, 12423, 21513, 66953, 95243, 164933, 200859, 285729, 294011, 494799, 882033, 6762253, 20286759]

約数ペア:

[(1, 20286759), (3, 6762253), (23, 882033), (41, 494799), (69, 294011), (71, 285729), (101, 200859), (123, 164933), (213, 95243), (303, 66953), (943, 21513), (1633, 12423), (2323, 8733), (2829, 7171), (2911, 6969), (4141, 4899)]