20859867819

素因数分解:

$3^3\times 7^1\times {\mathrm{110369671}}^1$

素因数の和:110369687

約数の個数: 16

約数和(自身を含む): 35318295040

約数和(自身を除く): 14458427221

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 110369671, 331109013, 772587697, 993327039, 2317763091, 2979981117, 6953289273, 20859867819]

約数ペア:

[(1, 20859867819), (3, 6953289273), (7, 2979981117), (9, 2317763091), (21, 993327039), (27, 772587697), (63, 331109013), (189, 110369671)]