20138180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34721}}^1$

素因数の和:34759

約数の個数: 24

約数和(自身を含む): 43749720

約数和(自身を除く): 23611540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 34721, 69442, 138884, 173605, 347210, 694420, 1006909, 2013818, 4027636, 5034545, 10069090, 20138180]

約数ペア:

[(1, 20138180), (2, 10069090), (4, 5034545), (5, 4027636), (10, 2013818), (20, 1006909), (29, 694420), (58, 347210), (116, 173605), (145, 138884), (290, 69442), (580, 34721)]