20345004

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10663}}^1$

素因数の和:10726

約数の個数: 36

約数和(自身を含む): 52402896

約数和(自身を除く): 32057892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10663, 21326, 31989, 42652, 63978, 95967, 127956, 191934, 383868, 565139, 1130278, 1695417, 2260556, 3390834, 5086251, 6781668, 10172502, 20345004]

約数ペア:

[(1, 20345004), (2, 10172502), (3, 6781668), (4, 5086251), (6, 3390834), (9, 2260556), (12, 1695417), (18, 1130278), (36, 565139), (53, 383868), (106, 191934), (159, 127956), (212, 95967), (318, 63978), (477, 42652), (636, 31989), (954, 21326), (1908, 10663)]