20249788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22907}}^1$

素因数の和:22941

約数の個数: 24

約数和(自身を含む): 40409712

約数和(自身を除く): 20159924

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22907, 45814, 91628, 297791, 389419, 595582, 778838, 1191164, 1557676, 5062447, 10124894, 20249788]

約数ペア:

[(1, 20249788), (2, 10124894), (4, 5062447), (13, 1557676), (17, 1191164), (26, 778838), (34, 595582), (52, 389419), (68, 297791), (221, 91628), (442, 45814), (884, 22907)]