9820420

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1867}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 20712384

約数和(自身を除く): 10891964

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1867, 2630, 3734, 5260, 7468, 9335, 18670, 37340, 491021, 982042, 1964084, 2455105, 4910210, 9820420]

約数ペア:

[(1, 9820420), (2, 4910210), (4, 2455105), (5, 1964084), (10, 982042), (20, 491021), (263, 37340), (526, 18670), (1052, 9335), (1315, 7468), (1867, 5260), (2630, 3734)]