20121247980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111784711}}^1$

素因数の和:111784726

約数の個数: 36

約数和(自身を含む): 61034452752

約数和(自身を除く): 40913204772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111784711, 223569422, 335354133, 447138844, 558923555, 670708266, 1006062399, 1117847110, 1341416532, 1676770665, 2012124798, 2235694220, 3353541330, 4024249596, 5030311995, 6707082660, 10060623990, 20121247980]

約数ペア:

[(1, 20121247980), (2, 10060623990), (3, 6707082660), (4, 5030311995), (5, 4024249596), (6, 3353541330), (9, 2235694220), (10, 2012124798), (12, 1676770665), (15, 1341416532), (18, 1117847110), (20, 1006062399), (30, 670708266), (36, 558923555), (45, 447138844), (60, 335354133), (90, 223569422), (180, 111784711)]