20074880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4481}}^1$

素因数の和:4507

約数の個数: 64

約数和(自身を含む): 54859680

約数和(自身を除く): 34784800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4481, 8962, 17924, 22405, 31367, 35848, 44810, 62734, 71696, 89620, 125468, 143392, 156835, 179240, 250936, 286784, 313670, 358480, 501872, 573568, 627340, 716960, 1003744, 1254680, 1433920, 2007488, 2509360, 2867840, 4014976, 5018720, 10037440, 20074880]

約数ペア:

[(1, 20074880), (2, 10037440), (4, 5018720), (5, 4014976), (7, 2867840), (8, 2509360), (10, 2007488), (14, 1433920), (16, 1254680), (20, 1003744), (28, 716960), (32, 627340), (35, 573568), (40, 501872), (56, 358480), (64, 313670), (70, 286784), (80, 250936), (112, 179240), (128, 156835), (140, 143392), (160, 125468), (224, 89620), (280, 71696), (320, 62734), (448, 44810), (560, 35848), (640, 31367), (896, 22405), (1120, 17924), (2240, 8962), (4480, 4481)]