20068740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111493}}^1$

素因数の和:111508

約数の個数: 36

約数和(自身を含む): 60875724

約数和(自身を除く): 40806984

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111493, 222986, 334479, 445972, 557465, 668958, 1003437, 1114930, 1337916, 1672395, 2006874, 2229860, 3344790, 4013748, 5017185, 6689580, 10034370, 20068740]

約数ペア:

[(1, 20068740), (2, 10034370), (3, 6689580), (4, 5017185), (5, 4013748), (6, 3344790), (9, 2229860), (10, 2006874), (12, 1672395), (15, 1337916), (18, 1114930), (20, 1003437), (30, 668958), (36, 557465), (45, 445972), (60, 334479), (90, 222986), (180, 111493)]