20017130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12433}}^1$

素因数の和:12470

約数の個数: 32

約数和(自身を含む): 42971904

約数和(自身を除く): 22954774

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12433, 24866, 62165, 87031, 124330, 174062, 285959, 435155, 571918, 870310, 1429795, 2001713, 2859590, 4003426, 10008565, 20017130]

約数ペア:

[(1, 20017130), (2, 10008565), (5, 4003426), (7, 2859590), (10, 2001713), (14, 1429795), (23, 870310), (35, 571918), (46, 435155), (70, 285959), (115, 174062), (161, 124330), (230, 87031), (322, 62165), (805, 24866), (1610, 12433)]