20426277

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 29074528

約数和(自身を除く): 8648251

約数列:

[1, 3, 23, 61, 69, 183, 211, 529, 633, 1403, 1587, 4209, 4853, 12871, 14559, 32269, 38613, 96807, 111619, 296033, 334857, 888099, 6808759, 20426277]

約数ペア:

[(1, 20426277), (3, 6808759), (23, 888099), (61, 334857), (69, 296033), (183, 111619), (211, 96807), (529, 38613), (633, 32269), (1403, 14559), (1587, 12871), (4209, 4853)]