20971522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73327}}^1$

素因数の和:73353

約数の個数: 16

約数和(自身を含む): 36957312

約数和(自身を除く): 15985790

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73327, 146654, 806597, 953251, 1613194, 1906502, 10485761, 20971522]

約数ペア:

[(1, 20971522), (2, 10485761), (11, 1906502), (13, 1613194), (22, 953251), (26, 806597), (143, 146654), (286, 73327)]