27820420

素因数分解:

$2^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2543}}^1$

素因数の和:3099

約数の個数: 24

約数和(自身を含む): 58552704

約数和(自身を除く): 30732284

約数列:

[1, 2, 4, 5, 10, 20, 547, 1094, 2188, 2543, 2735, 5086, 5470, 10172, 10940, 12715, 25430, 50860, 1391021, 2782042, 5564084, 6955105, 13910210, 27820420]

約数ペア:

[(1, 27820420), (2, 13910210), (4, 6955105), (5, 5564084), (10, 2782042), (20, 1391021), (547, 50860), (1094, 25430), (2188, 12715), (2543, 10940), (2735, 10172), (5086, 5470)]