20404726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 13887434

約数列:

[1, 2, 17, 23, 34, 46, 97, 194, 269, 391, 538, 782, 1649, 2231, 3298, 4462, 4573, 6187, 9146, 12374, 26093, 37927, 52186, 75854, 105179, 210358, 443581, 600139, 887162, 1200278, 10202363, 20404726]

約数ペア:

[(1, 20404726), (2, 10202363), (17, 1200278), (23, 887162), (34, 600139), (46, 443581), (97, 210358), (194, 105179), (269, 75854), (391, 52186), (538, 37927), (782, 26093), (1649, 12374), (2231, 9146), (3298, 6187), (4462, 4573)]