20907726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4567}}^1$

素因数の和:4688

約数の個数: 32

約数和(自身を含む): 48238080

約数和(自身を除く): 27330354

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4567, 4578, 9134, 13701, 27402, 31969, 63938, 95907, 191814, 497803, 995606, 1493409, 2986818, 3484621, 6969242, 10453863, 20907726]

約数ペア:

[(1, 20907726), (2, 10453863), (3, 6969242), (6, 3484621), (7, 2986818), (14, 1493409), (21, 995606), (42, 497803), (109, 191814), (218, 95907), (327, 63938), (654, 31969), (763, 27402), (1526, 13701), (2289, 9134), (4567, 4578)]