20556946

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1367}}^1$

素因数の和:1545

約数の個数: 16

約数和(自身を含む): 31584384

約数和(自身を除く): 11027438

約数列:

[1, 2, 73, 103, 146, 206, 1367, 2734, 7519, 15038, 99791, 140801, 199582, 281602, 10278473, 20556946]

約数ペア:

[(1, 20556946), (2, 10278473), (73, 281602), (103, 199582), (146, 140801), (206, 99791), (1367, 15038), (2734, 7519)]