20865690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{231841}}^1$

素因数の和:231854

約数の個数: 24

約数和(自身を含む): 54251028

約数和(自身を除く): 33385338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 231841, 463682, 695523, 1159205, 1391046, 2086569, 2318410, 3477615, 4173138, 6955230, 10432845, 20865690]

約数ペア:

[(1, 20865690), (2, 10432845), (3, 6955230), (5, 4173138), (6, 3477615), (9, 2318410), (10, 2086569), (15, 1391046), (18, 1159205), (30, 695523), (45, 463682), (90, 231841)]