20159607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{97}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 29651664

約数和(自身を除く): 9492057

約数列:

[1, 3, 13, 39, 73, 97, 219, 291, 949, 1261, 2847, 3783, 5329, 7081, 15987, 21243, 69277, 92053, 207831, 276159, 516913, 1550739, 6719869, 20159607]

約数ペア:

[(1, 20159607), (3, 6719869), (13, 1550739), (39, 516913), (73, 276159), (97, 207831), (219, 92053), (291, 69277), (949, 21243), (1261, 15987), (2847, 7081), (3783, 5329)]