20771044

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1907}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 41670720

約数和(自身を除く): 20899676

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 1907, 2723, 3814, 5446, 7628, 10892, 13349, 26698, 53396, 741823, 1483646, 2967292, 5192761, 10385522, 20771044]

約数ペア:

[(1, 20771044), (2, 10385522), (4, 5192761), (7, 2967292), (14, 1483646), (28, 741823), (389, 53396), (778, 26698), (1556, 13349), (1907, 10892), (2723, 7628), (3814, 5446)]