20171945829

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{197933}}^1$

素因数の和:198177

約数の個数: 32

約数和(自身を含む): 32226822144

約数和(自身を除く): 12054876315

約数列:

[1, 3, 7, 21, 23, 69, 161, 211, 483, 633, 1477, 4431, 4853, 14559, 33971, 101913, 197933, 593799, 1385531, 4156593, 4552459, 13657377, 31867213, 41763863, 95601639, 125291589, 292347041, 877041123, 960568849, 2881706547, 6723981943, 20171945829]

約数ペア:

[(1, 20171945829), (3, 6723981943), (7, 2881706547), (21, 960568849), (23, 877041123), (69, 292347041), (161, 125291589), (211, 95601639), (483, 41763863), (633, 31867213), (1477, 13657377), (4431, 4552459), (4853, 4156593), (14559, 1385531), (33971, 593799), (101913, 197933)]