15891820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113513}}^1$

素因数の和:113529

約数の個数: 24

約数和(自身を含む): 38140704

約数和(自身を除く): 22248884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 113513, 227026, 454052, 567565, 794591, 1135130, 1589182, 2270260, 3178364, 3972955, 7945910, 15891820]

約数ペア:

[(1, 15891820), (2, 7945910), (4, 3972955), (5, 3178364), (7, 2270260), (10, 1589182), (14, 1135130), (20, 794591), (28, 567565), (35, 454052), (70, 227026), (140, 113513)]