20554226

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 40875840

約数和(自身を除く): 20321614

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 829, 1078, 1127, 1658, 1771, 2254, 3542, 5803, 9119, 11606, 12397, 18238, 19067, 24794, 38134, 40621, 63833, 81242, 127666, 133469, 209737, 266938, 419474, 446831, 893662, 934283, 1468159, 1868566, 2936318, 10277113, 20554226]

約数ペア:

[(1, 20554226), (2, 10277113), (7, 2936318), (11, 1868566), (14, 1468159), (22, 934283), (23, 893662), (46, 446831), (49, 419474), (77, 266938), (98, 209737), (154, 133469), (161, 127666), (253, 81242), (322, 63833), (506, 40621), (539, 38134), (829, 24794), (1078, 19067), (1127, 18238), (1658, 12397), (1771, 11606), (2254, 9119), (3542, 5803)]