20091190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12479}}^1$

素因数の和:12516

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 23039690

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12479, 24958, 62395, 87353, 124790, 174706, 287017, 436765, 574034, 873530, 1435085, 2009119, 2870170, 4018238, 10045595, 20091190]

約数ペア:

[(1, 20091190), (2, 10045595), (5, 4018238), (7, 2870170), (10, 2009119), (14, 1435085), (23, 873530), (35, 574034), (46, 436765), (70, 287017), (115, 174706), (161, 124790), (230, 87353), (322, 62395), (805, 24958), (1610, 12479)]