20978084

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 37467360

約数和(自身を除く): 16489276

約数列:

[1, 2, 4, 83, 166, 179, 332, 353, 358, 706, 716, 1412, 14857, 29299, 29714, 58598, 59428, 63187, 117196, 126374, 252748, 5244521, 10489042, 20978084]

約数ペア:

[(1, 20978084), (2, 10489042), (4, 5244521), (83, 252748), (166, 126374), (179, 117196), (332, 63187), (353, 59428), (358, 58598), (706, 29714), (716, 29299), (1412, 14857)]