20099528038

素因数分解:

$2^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1\times {\mathrm{23719}}^1$

素因数の和:25023

約数の個数: 16

約数和(自身を含む): 30243284640

約数和(自身を除く): 10143756602

約数列:

[1, 2, 641, 661, 1282, 1322, 23719, 47438, 423701, 847402, 15203879, 15678259, 30407758, 31356518, 10049764019, 20099528038]

約数ペア:

[(1, 20099528038), (2, 10049764019), (641, 31356518), (661, 30407758), (1282, 15678259), (1322, 15203879), (23719, 847402), (47438, 423701)]