20163578841

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{158209}}^1$

素因数の和:158263

約数の個数: 54

約数和(自身を含む): 35990718270

約数和(自身を除く): 15827139429

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 289, 357, 441, 833, 867, 1071, 2023, 2499, 2601, 6069, 7497, 14161, 18207, 42483, 127449, 158209, 474627, 1107463, 1423881, 2689553, 3322389, 7752241, 8068659, 9967167, 18826871, 23256723, 24205977, 45722401, 56480613, 69770169, 131788097, 137167203, 169441839, 320056807, 395364291, 411501609, 960170421, 1186092873, 2240397649, 2880511263, 6721192947, 20163578841]

約数ペア:

[(1, 20163578841), (3, 6721192947), (7, 2880511263), (9, 2240397649), (17, 1186092873), (21, 960170421), (49, 411501609), (51, 395364291), (63, 320056807), (119, 169441839), (147, 137167203), (153, 131788097), (289, 69770169), (357, 56480613), (441, 45722401), (833, 24205977), (867, 23256723), (1071, 18826871), (2023, 9967167), (2499, 8068659), (2601, 7752241), (6069, 3322389), (7497, 2689553), (14161, 1423881), (18207, 1107463), (42483, 474627), (127449, 158209)]