20997510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11863}}^1$

素因数の和:11932

約数の個数: 32

約数和(自身を含む): 51252480

約数和(自身を除く): 30254970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 118, 177, 295, 354, 590, 885, 1770, 11863, 23726, 35589, 59315, 71178, 118630, 177945, 355890, 699917, 1399834, 2099751, 3499585, 4199502, 6999170, 10498755, 20997510]

約数ペア:

[(1, 20997510), (2, 10498755), (3, 6999170), (5, 4199502), (6, 3499585), (10, 2099751), (15, 1399834), (30, 699917), (59, 355890), (118, 177945), (177, 118630), (295, 71178), (354, 59315), (590, 35589), (885, 23726), (1770, 11863)]