20109790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2076

約数の個数: 32

約数和(自身を含む): 38841120

約数和(自身を除く): 18731330

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 265, 530, 1007, 1997, 2014, 3994, 5035, 9985, 10070, 19970, 37943, 75886, 105841, 189715, 211682, 379430, 529205, 1058410, 2010979, 4021958, 10054895, 20109790]

約数ペア:

[(1, 20109790), (2, 10054895), (5, 4021958), (10, 2010979), (19, 1058410), (38, 529205), (53, 379430), (95, 211682), (106, 189715), (190, 105841), (265, 75886), (530, 37943), (1007, 19970), (1997, 10070), (2014, 9985), (3994, 5035)]