20844740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148891}}^1$

素因数の和:148907

約数の個数: 24

約数和(自身を含む): 50027712

約数和(自身を除く): 29182972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148891, 297782, 595564, 744455, 1042237, 1488910, 2084474, 2977820, 4168948, 5211185, 10422370, 20844740]

約数ペア:

[(1, 20844740), (2, 10422370), (4, 5211185), (5, 4168948), (7, 2977820), (10, 2084474), (14, 1488910), (20, 1042237), (28, 744455), (35, 595564), (70, 297782), (140, 148891)]