20652090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688403}}^1$

素因数の和:688413

約数の個数: 16

約数和(自身を含む): 49565088

約数和(自身を除く): 28912998

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688403, 1376806, 2065209, 3442015, 4130418, 6884030, 10326045, 20652090]

約数ペア:

[(1, 20652090), (2, 10326045), (3, 6884030), (5, 4130418), (6, 3442015), (10, 2065209), (15, 1376806), (30, 688403)]