20199108741

素因数分解:

$3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{823}}^1\times {\mathrm{839}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 31562496000

約数和(自身を除く): 11363387259

約数列:

[1, 3, 7, 21, 49, 147, 199, 597, 823, 839, 1393, 2469, 2517, 4179, 5761, 5873, 9751, 17283, 17619, 29253, 40327, 41111, 120981, 123333, 163777, 166961, 491331, 500883, 690497, 1146439, 1168727, 2071491, 3439317, 3506181, 4833479, 8025073, 8181089, 14500437, 24075219, 24543267, 33834353, 101503059, 137408903, 412226709, 961862321, 2885586963, 6733036247, 20199108741]

約数ペア:

[(1, 20199108741), (3, 6733036247), (7, 2885586963), (21, 961862321), (49, 412226709), (147, 137408903), (199, 101503059), (597, 33834353), (823, 24543267), (839, 24075219), (1393, 14500437), (2469, 8181089), (2517, 8025073), (4179, 4833479), (5761, 3506181), (5873, 3439317), (9751, 2071491), (17283, 1168727), (17619, 1146439), (29253, 690497), (40327, 500883), (41111, 491331), (120981, 166961), (123333, 163777)]