20821807010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48422807}}^1$

素因数の和:48422857

約数の個数: 16

約数和(自身を含む): 38350863936

約数和(自身を除く): 17529056926

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48422807, 96845614, 242114035, 484228070, 2082180701, 4164361402, 10410903505, 20821807010]

約数ペア:

[(1, 20821807010), (2, 10410903505), (5, 4164361402), (10, 2082180701), (43, 484228070), (86, 242114035), (215, 96845614), (430, 48422807)]