16252420

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2089}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 34234200

約数和(自身を除く): 17981780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 2089, 3890, 4178, 7780, 8356, 10445, 20890, 41780, 812621, 1625242, 3250484, 4063105, 8126210, 16252420]

約数ペア:

[(1, 16252420), (2, 8126210), (4, 4063105), (5, 3250484), (10, 1625242), (20, 812621), (389, 41780), (778, 20890), (1556, 10445), (1945, 8356), (2089, 7780), (3890, 4178)]