20120580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111781}}^1$

素因数の和:111796

約数の個数: 36

約数和(自身を含む): 61032972

約数和(自身を除く): 40912392

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111781, 223562, 335343, 447124, 558905, 670686, 1006029, 1117810, 1341372, 1676715, 2012058, 2235620, 3353430, 4024116, 5030145, 6706860, 10060290, 20120580]

約数ペア:

[(1, 20120580), (2, 10060290), (3, 6706860), (4, 5030145), (5, 4024116), (6, 3353430), (9, 2235620), (10, 2012058), (12, 1676715), (15, 1341372), (18, 1117810), (20, 1006029), (30, 670686), (36, 558905), (45, 447124), (60, 335343), (90, 223562), (180, 111781)]