20145076705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{161503}}^1$

素因数の和:161641

約数の個数: 32

約数和(自身を含む): 27675325440

約数和(自身を除く): 7530248735

約数列:

[1, 5, 13, 19, 65, 95, 101, 247, 505, 1235, 1313, 1919, 6565, 9595, 24947, 124735, 161503, 807515, 2099539, 3068557, 10497695, 15342785, 16311803, 39891241, 81559015, 199456205, 212053439, 309924257, 1060267195, 1549621285, 4029015341, 20145076705]

約数ペア:

[(1, 20145076705), (5, 4029015341), (13, 1549621285), (19, 1060267195), (65, 309924257), (95, 212053439), (101, 199456205), (247, 81559015), (505, 39891241), (1235, 16311803), (1313, 15342785), (1919, 10497695), (6565, 3068557), (9595, 2099539), (24947, 807515), (124735, 161503)]