20121949582

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{287629}}^1$

素因数の和:287920

約数の個数: 32

約数和(自身を含む): 36448473600

約数和(自身を除く): 16326524018

約数列:

[1, 2, 7, 14, 19, 38, 133, 263, 266, 526, 1841, 3682, 4997, 9994, 34979, 69958, 287629, 575258, 2013403, 4026806, 5464951, 10929902, 38254657, 75646427, 76509314, 151292854, 529524989, 1059049978, 1437282113, 2874564226, 10060974791, 20121949582]

約数ペア:

[(1, 20121949582), (2, 10060974791), (7, 2874564226), (14, 1437282113), (19, 1059049978), (38, 529524989), (133, 151292854), (263, 76509314), (266, 75646427), (526, 38254657), (1841, 10929902), (3682, 5464951), (4997, 4026806), (9994, 2013403), (34979, 575258), (69958, 287629)]