20871664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118589}}^1$

素因数の和:118608

約数の個数: 20

約数和(自身を含む): 44115480

約数和(自身を除く): 23243816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118589, 237178, 474356, 948712, 1304479, 1897424, 2608958, 5217916, 10435832, 20871664]

約数ペア:

[(1, 20871664), (2, 10435832), (4, 5217916), (8, 2608958), (11, 1897424), (16, 1304479), (22, 948712), (44, 474356), (88, 237178), (176, 118589)]