20187660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4259}}^1$

素因数の和:4350

約数の個数: 48

約数和(自身を含む): 57254400

約数和(自身を除く): 37066740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4259, 4740, 8518, 12777, 17036, 21295, 25554, 42590, 51108, 63885, 85180, 127770, 255540, 336461, 672922, 1009383, 1345844, 1682305, 2018766, 3364610, 4037532, 5046915, 6729220, 10093830, 20187660]

約数ペア:

[(1, 20187660), (2, 10093830), (3, 6729220), (4, 5046915), (5, 4037532), (6, 3364610), (10, 2018766), (12, 1682305), (15, 1345844), (20, 1009383), (30, 672922), (60, 336461), (79, 255540), (158, 127770), (237, 85180), (316, 63885), (395, 51108), (474, 42590), (790, 25554), (948, 21295), (1185, 17036), (1580, 12777), (2370, 8518), (4259, 4740)]