20392568

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{433}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 45361680

約数和(自身を除く): 24969112

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 433, 812, 841, 866, 1624, 1682, 1732, 3031, 3364, 3464, 5887, 6062, 6728, 11774, 12124, 12557, 23548, 24248, 25114, 47096, 50228, 87899, 100456, 175798, 351596, 364153, 703192, 728306, 1456612, 2549071, 2913224, 5098142, 10196284, 20392568]

約数ペア:

[(1, 20392568), (2, 10196284), (4, 5098142), (7, 2913224), (8, 2549071), (14, 1456612), (28, 728306), (29, 703192), (56, 364153), (58, 351596), (116, 175798), (203, 100456), (232, 87899), (406, 50228), (433, 47096), (812, 25114), (841, 24248), (866, 23548), (1624, 12557), (1682, 12124), (1732, 11774), (3031, 6728), (3364, 6062), (3464, 5887)]