20774446

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 39071232

約数和(自身を除く): 18296786

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 277, 487, 554, 974, 1939, 3047, 3409, 3878, 5357, 6094, 6818, 10714, 21329, 37499, 42658, 74998, 134899, 269798, 944293, 1483889, 1888586, 2967778, 10387223, 20774446]

約数ペア:

[(1, 20774446), (2, 10387223), (7, 2967778), (11, 1888586), (14, 1483889), (22, 944293), (77, 269798), (154, 134899), (277, 74998), (487, 42658), (554, 37499), (974, 21329), (1939, 10714), (3047, 6818), (3409, 6094), (3878, 5357)]