20198580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{336643}}^1$

素因数の和:336655

約数の個数: 24

約数和(自身を含む): 56556192

約数和(自身を除く): 36357612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 336643, 673286, 1009929, 1346572, 1683215, 2019858, 3366430, 4039716, 5049645, 6732860, 10099290, 20198580]

約数ペア:

[(1, 20198580), (2, 10099290), (3, 6732860), (4, 5049645), (5, 4039716), (6, 3366430), (10, 2019858), (12, 1683215), (15, 1346572), (20, 1009929), (30, 673286), (60, 336643)]