20928472

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84389}}^1$

素因数の和:84426

約数の個数: 16

約数和(自身を含む): 40507200

約数和(自身を除く): 19578728

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84389, 168778, 337556, 675112, 2616059, 5232118, 10464236, 20928472]

約数ペア:

[(1, 20928472), (2, 10464236), (4, 5232118), (8, 2616059), (31, 675112), (62, 337556), (124, 168778), (248, 84389)]