20194398927

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{7963}}^1$

素因数の和:8345

約数の個数: 40

約数和(自身を含む): 30528241920

約数和(自身を除く): 10333842993

約数列:

[1, 3, 9, 27, 81, 131, 239, 393, 717, 1179, 2151, 3537, 6453, 7963, 10611, 19359, 23889, 31309, 71667, 93927, 215001, 281781, 645003, 845343, 1043153, 1903157, 2536029, 3129459, 5709471, 9388377, 17128413, 28165131, 51385239, 84495393, 154155717, 249313567, 747940701, 2243822103, 6731466309, 20194398927]

約数ペア:

[(1, 20194398927), (3, 6731466309), (9, 2243822103), (27, 747940701), (81, 249313567), (131, 154155717), (239, 84495393), (393, 51385239), (717, 28165131), (1179, 17128413), (2151, 9388377), (3537, 5709471), (6453, 3129459), (7963, 2536029), (10611, 1903157), (19359, 1043153), (23889, 845343), (31309, 645003), (71667, 281781), (93927, 215001)]