27830020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81853}}^1$

素因数の和:81879

約数の個数: 24

約数和(自身を含む): 61881624

約数和(自身を除く): 34051604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 81853, 163706, 327412, 409265, 818530, 1391501, 1637060, 2783002, 5566004, 6957505, 13915010, 27830020]

約数ペア:

[(1, 27830020), (2, 13915010), (4, 6957505), (5, 5566004), (10, 2783002), (17, 1637060), (20, 1391501), (34, 818530), (68, 409265), (85, 327412), (170, 163706), (340, 81853)]