20072728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{751}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 40743360

約数和(自身を除く): 20670632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 751, 1028, 1502, 2056, 3004, 3341, 6008, 6682, 9763, 13364, 19526, 26728, 39052, 78104, 193007, 386014, 772028, 1544056, 2509091, 5018182, 10036364, 20072728]

約数ペア:

[(1, 20072728), (2, 10036364), (4, 5018182), (8, 2509091), (13, 1544056), (26, 772028), (52, 386014), (104, 193007), (257, 78104), (514, 39052), (751, 26728), (1028, 19526), (1502, 13364), (2056, 9763), (3004, 6682), (3341, 6008)]