20854792161

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10678337}}^1$

素因数の和:10678381

約数の個数: 24

約数和(自身を含む): 35537508864

約数和(自身を除く): 14682716703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10678337, 32035011, 74748359, 96105033, 224245077, 331028447, 672735231, 993085341, 2317199129, 2979256023, 6951597387, 20854792161]

約数ペア:

[(1, 20854792161), (3, 6951597387), (7, 2979256023), (9, 2317199129), (21, 993085341), (31, 672735231), (63, 331028447), (93, 224245077), (217, 96105033), (279, 74748359), (651, 32035011), (1953, 10678337)]