20794780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14243}}^1$

素因数の和:14325

約数の個数: 24

約数和(自身を含む): 44270352

約数和(自身を除く): 23475572

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14243, 28486, 56972, 71215, 142430, 284860, 1039739, 2079478, 4158956, 5198695, 10397390, 20794780]

約数ペア:

[(1, 20794780), (2, 10397390), (4, 5198695), (5, 4158956), (10, 2079478), (20, 1039739), (73, 284860), (146, 142430), (292, 71215), (365, 56972), (730, 28486), (1460, 14243)]