13666420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6269}}^1$

素因数の和:6387

約数の個数: 24

約数和(自身を含む): 28967400

約数和(自身を除く): 15300980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6269, 12538, 25076, 31345, 62690, 125380, 683321, 1366642, 2733284, 3416605, 6833210, 13666420]

約数ペア:

[(1, 13666420), (2, 6833210), (4, 3416605), (5, 2733284), (10, 1366642), (20, 683321), (109, 125380), (218, 62690), (436, 31345), (545, 25076), (1090, 12538), (2180, 6269)]