20641590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229351}}^1$

素因数の和:229364

約数の個数: 24

約数和(自身を含む): 53668368

約数和(自身を除く): 33026778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229351, 458702, 688053, 1146755, 1376106, 2064159, 2293510, 3440265, 4128318, 6880530, 10320795, 20641590]

約数ペア:

[(1, 20641590), (2, 10320795), (3, 6880530), (5, 4128318), (6, 3440265), (9, 2293510), (10, 2064159), (15, 1376106), (18, 1146755), (30, 688053), (45, 458702), (90, 229351)]