20212624

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15991}}^1$

素因数の和:16078

約数の個数: 20

約数和(自身を含む): 39660160

約数和(自身を除く): 19447536

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15991, 31982, 63964, 127928, 255856, 1263289, 2526578, 5053156, 10106312, 20212624]

約数ペア:

[(1, 20212624), (2, 10106312), (4, 5053156), (8, 2526578), (16, 1263289), (79, 255856), (158, 127928), (316, 63964), (632, 31982), (1264, 15991)]