20878170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{695939}}^1$

素因数の和:695949

約数の個数: 16

約数和(自身を含む): 50107680

約数和(自身を除く): 29229510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 695939, 1391878, 2087817, 3479695, 4175634, 6959390, 10439085, 20878170]

約数ペア:

[(1, 20878170), (2, 10439085), (3, 6959390), (5, 4175634), (6, 3479695), (10, 2087817), (15, 1391878), (30, 695939)]