20486704

素因数分解:

$2^4\times 7^3\times {\mathrm{3733}}^1$

素因数の和:3762

約数の個数: 40

約数和(自身を含む): 46301600

約数和(自身を除く): 25814896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3733, 5488, 7466, 14932, 26131, 29864, 52262, 59728, 104524, 182917, 209048, 365834, 418096, 731668, 1280419, 1463336, 2560838, 2926672, 5121676, 10243352, 20486704]

約数ペア:

[(1, 20486704), (2, 10243352), (4, 5121676), (7, 2926672), (8, 2560838), (14, 1463336), (16, 1280419), (28, 731668), (49, 418096), (56, 365834), (98, 209048), (112, 182917), (196, 104524), (343, 59728), (392, 52262), (686, 29864), (784, 26131), (1372, 14932), (2744, 7466), (3733, 5488)]