20435895

素因数分解:

$3^4\times 5^1\times {\mathrm{50459}}^1$

素因数の和:50476

約数の個数: 20

約数和(自身を含む): 36633960

約数和(自身を除く): 16198065

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50459, 151377, 252295, 454131, 756885, 1362393, 2270655, 4087179, 6811965, 20435895]

約数ペア:

[(1, 20435895), (3, 6811965), (5, 4087179), (9, 2270655), (15, 1362393), (27, 756885), (45, 454131), (81, 252295), (135, 151377), (405, 50459)]