20228060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{547}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 43569288

約数和(自身を除く): 23341228

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 547, 860, 1094, 1849, 2188, 2735, 3698, 5470, 7396, 9245, 10940, 18490, 23521, 36980, 47042, 94084, 117605, 235210, 470420, 1011403, 2022806, 4045612, 5057015, 10114030, 20228060]

約数ペア:

[(1, 20228060), (2, 10114030), (4, 5057015), (5, 4045612), (10, 2022806), (20, 1011403), (43, 470420), (86, 235210), (172, 117605), (215, 94084), (430, 47042), (547, 36980), (860, 23521), (1094, 18490), (1849, 10940), (2188, 9245), (2735, 7396), (3698, 5470)]