20385990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{226511}}^1$

素因数の和:226524

約数の個数: 24

約数和(自身を含む): 53003808

約数和(自身を除く): 32617818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 226511, 453022, 679533, 1132555, 1359066, 2038599, 2265110, 3397665, 4077198, 6795330, 10192995, 20385990]

約数ペア:

[(1, 20385990), (2, 10192995), (3, 6795330), (5, 4077198), (6, 3397665), (9, 2265110), (10, 2038599), (15, 1359066), (18, 1132555), (30, 679533), (45, 453022), (90, 226511)]