20164767

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 12349281

約数列:

[1, 3, 7, 21, 23, 69, 83, 161, 249, 483, 503, 581, 1509, 1743, 1909, 3521, 5727, 10563, 11569, 13363, 34707, 40089, 41749, 80983, 125247, 242949, 292243, 876729, 960227, 2880681, 6721589, 20164767]

約数ペア:

[(1, 20164767), (3, 6721589), (7, 2880681), (21, 960227), (23, 876729), (69, 292243), (83, 242949), (161, 125247), (249, 80983), (483, 41749), (503, 40089), (581, 34707), (1509, 13363), (1743, 11569), (1909, 10563), (3521, 5727)]