20145070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4259}}^1$

素因数の和:4320

約数の個数: 32

約数和(自身を含む): 40487040

約数和(自身を除く): 20341970

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4259, 4730, 8518, 21295, 42590, 46849, 93698, 183137, 234245, 366274, 468490, 915685, 1831370, 2014507, 4029014, 10072535, 20145070]

約数ペア:

[(1, 20145070), (2, 10072535), (5, 4029014), (10, 2014507), (11, 1831370), (22, 915685), (43, 468490), (55, 366274), (86, 234245), (110, 183137), (215, 93698), (430, 46849), (473, 42590), (946, 21295), (2365, 8518), (4259, 4730)]