20153757

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 29420544

約数和(自身を除く): 9266787

約数列:

[1, 3, 13, 39, 127, 169, 313, 381, 507, 939, 1651, 4069, 4953, 12207, 21463, 39751, 52897, 64389, 119253, 158691, 516763, 1550289, 6717919, 20153757]

約数ペア:

[(1, 20153757), (3, 6717919), (13, 1550289), (39, 516763), (127, 158691), (169, 119253), (313, 64389), (381, 52897), (507, 39751), (939, 21463), (1651, 12207), (4069, 4953)]