20706340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60901}}^1$

素因数の和:60927

約数の個数: 24

約数和(自身を含む): 46041912

約数和(自身を除く): 25335572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60901, 121802, 243604, 304505, 609010, 1035317, 1218020, 2070634, 4141268, 5176585, 10353170, 20706340]

約数ペア:

[(1, 20706340), (2, 10353170), (4, 5176585), (5, 4141268), (10, 2070634), (17, 1218020), (20, 1035317), (34, 609010), (68, 304505), (85, 243604), (170, 121802), (340, 60901)]