19678020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327967}}^1$

素因数の和:327979

約数の個数: 24

約数和(自身を含む): 55098624

約数和(自身を除く): 35420604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327967, 655934, 983901, 1311868, 1639835, 1967802, 3279670, 3935604, 4919505, 6559340, 9839010, 19678020]

約数ペア:

[(1, 19678020), (2, 9839010), (3, 6559340), (4, 4919505), (5, 3935604), (6, 3279670), (10, 1967802), (12, 1639835), (15, 1311868), (20, 983901), (30, 655934), (60, 327967)]