20548544

素因数分解:

$2^6\times {\mathrm{41}}^2\times {\mathrm{191}}^1$

素因数の和:285

約数の個数: 42

約数和(自身を含む): 42013632

約数和(自身を除く): 21465088

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 191, 328, 382, 656, 764, 1312, 1528, 1681, 2624, 3056, 3362, 6112, 6724, 7831, 12224, 13448, 15662, 26896, 31324, 53792, 62648, 107584, 125296, 250592, 321071, 501184, 642142, 1284284, 2568568, 5137136, 10274272, 20548544]

約数ペア:

[(1, 20548544), (2, 10274272), (4, 5137136), (8, 2568568), (16, 1284284), (32, 642142), (41, 501184), (64, 321071), (82, 250592), (164, 125296), (191, 107584), (328, 62648), (382, 53792), (656, 31324), (764, 26896), (1312, 15662), (1528, 13448), (1681, 12224), (2624, 7831), (3056, 6724), (3362, 6112)]