20473453

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 27885312

約数和(自身を除く): 7411859

約数列:

[1, 7, 11, 13, 77, 91, 113, 143, 181, 791, 1001, 1243, 1267, 1469, 1991, 2353, 8701, 10283, 13937, 16159, 16471, 20453, 25883, 113113, 143171, 181181, 224983, 265889, 1574881, 1861223, 2924779, 20473453]

約数ペア:

[(1, 20473453), (7, 2924779), (11, 1861223), (13, 1574881), (77, 265889), (91, 224983), (113, 181181), (143, 143171), (181, 113113), (791, 25883), (1001, 20453), (1243, 16471), (1267, 16159), (1469, 13937), (1991, 10283), (2353, 8701)]