20884289600

素因数分解:

$2^6\times 5^2\times {\mathrm{53}}^1\times {\mathrm{246277}}^1$

素因数の和:246352

約数の個数: 84

約数和(自身を含む): 52358210244

約数和(自身を除く): 31473920644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 160, 200, 212, 265, 320, 400, 424, 530, 800, 848, 1060, 1325, 1600, 1696, 2120, 2650, 3392, 4240, 5300, 8480, 10600, 16960, 21200, 42400, 84800, 246277, 492554, 985108, 1231385, 1970216, 2462770, 3940432, 4925540, 6156925, 7880864, 9851080, 12313850, 13052681, 15761728, 19702160, 24627700, 26105362, 39404320, 49255400, 52210724, 65263405, 78808640, 98510800, 104421448, 130526810, 197021600, 208842896, 261053620, 326317025, 394043200, 417685792, 522107240, 652634050, 835371584, 1044214480, 1305268100, 2088428960, 2610536200, 4176857920, 5221072400, 10442144800, 20884289600]

約数ペア:

[(1, 20884289600), (2, 10442144800), (4, 5221072400), (5, 4176857920), (8, 2610536200), (10, 2088428960), (16, 1305268100), (20, 1044214480), (25, 835371584), (32, 652634050), (40, 522107240), (50, 417685792), (53, 394043200), (64, 326317025), (80, 261053620), (100, 208842896), (106, 197021600), (160, 130526810), (200, 104421448), (212, 98510800), (265, 78808640), (320, 65263405), (400, 52210724), (424, 49255400), (530, 39404320), (800, 26105362), (848, 24627700), (1060, 19702160), (1325, 15761728), (1600, 13052681), (1696, 12313850), (2120, 9851080), (2650, 7880864), (3392, 6156925), (4240, 4925540), (5300, 3940432), (8480, 2462770), (10600, 1970216), (16960, 1231385), (21200, 985108), (42400, 492554), (84800, 246277)]