20103904

素因数分解:

$2^5\times {\mathrm{503}}^1\times {\mathrm{1249}}^1$

素因数の和:1762

約数の個数: 24

約数和(自身を含む): 39690000

約数和(自身を除く): 19586096

約数列:

[1, 2, 4, 8, 16, 32, 503, 1006, 1249, 2012, 2498, 4024, 4996, 8048, 9992, 16096, 19984, 39968, 628247, 1256494, 2512988, 5025976, 10051952, 20103904]

約数ペア:

[(1, 20103904), (2, 10051952), (4, 5025976), (8, 2512988), (16, 1256494), (32, 628247), (503, 39968), (1006, 19984), (1249, 16096), (2012, 9992), (2498, 8048), (4024, 4996)]