20647354

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2767}}^1$

素因数の和:2830

約数の個数: 32

約数和(自身を含む): 39062016

約数和(自身を除く): 18414662

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 2767, 3731, 5534, 7462, 19369, 35971, 38738, 71942, 113447, 226894, 251797, 503594, 794129, 1474811, 1588258, 2949622, 10323677, 20647354]

約数ペア:

[(1, 20647354), (2, 10323677), (7, 2949622), (13, 1588258), (14, 1474811), (26, 794129), (41, 503594), (82, 251797), (91, 226894), (182, 113447), (287, 71942), (533, 38738), (574, 35971), (1066, 19369), (2767, 7462), (3731, 5534)]