20701168

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3259}}^1$

素因数の和:3664

約数の個数: 20

約数和(自身を含む): 40221880

約数和(自身を除く): 19520712

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 3259, 6352, 6518, 13036, 26072, 52144, 1293823, 2587646, 5175292, 10350584, 20701168]

約数ペア:

[(1, 20701168), (2, 10350584), (4, 5175292), (8, 2587646), (16, 1293823), (397, 52144), (794, 26072), (1588, 13036), (3176, 6518), (3259, 6352)]