20654897

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 22671360

約数和(自身を除く): 2016463

約数列:

[1, 23, 31, 59, 491, 713, 1357, 1829, 11293, 15221, 28969, 42067, 350083, 666287, 898039, 20654897]

約数ペア:

[(1, 20654897), (23, 898039), (31, 666287), (59, 350083), (491, 42067), (713, 28969), (1357, 15221), (1829, 11293)]