20790628

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 37308600

約数和(自身を除く): 16517972

約数列:

[1, 2, 4, 53, 106, 212, 281, 349, 562, 698, 1124, 1396, 14893, 18497, 29786, 36994, 59572, 73988, 98069, 196138, 392276, 5197657, 10395314, 20790628]

約数ペア:

[(1, 20790628), (2, 10395314), (4, 5197657), (53, 392276), (106, 196138), (212, 98069), (281, 73988), (349, 59572), (562, 36994), (698, 29786), (1124, 18497), (1396, 14893)]