20155367248

素因数分解:

$2^4\times {\mathrm{21991}}^1\times {\mathrm{57283}}^1$

素因数の和:79282

約数の個数: 20

約数和(自身を含む): 39053481568

約数和(自身を除く): 18898114320

約数列:

[1, 2, 4, 8, 16, 21991, 43982, 57283, 87964, 114566, 175928, 229132, 351856, 458264, 916528, 1259710453, 2519420906, 5038841812, 10077683624, 20155367248]

約数ペア:

[(1, 20155367248), (2, 10077683624), (4, 5038841812), (8, 2519420906), (16, 1259710453), (21991, 916528), (43982, 458264), (57283, 351856), (87964, 229132), (114566, 175928)]