20280428

素因数分解:

$2^2\times 7^1\times {\mathrm{773}}^1\times {\mathrm{937}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 40656672

約数和(自身を除く): 20376244

約数列:

[1, 2, 4, 7, 14, 28, 773, 937, 1546, 1874, 3092, 3748, 5411, 6559, 10822, 13118, 21644, 26236, 724301, 1448602, 2897204, 5070107, 10140214, 20280428]

約数ペア:

[(1, 20280428), (2, 10140214), (4, 5070107), (7, 2897204), (14, 1448602), (28, 724301), (773, 26236), (937, 21644), (1546, 13118), (1874, 10822), (3092, 6559), (3748, 5411)]