20476148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3540

約数の個数: 48

約数和(自身を含む): 47040000

約数和(自身を除く): 26563852

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3499, 5852, 6998, 13996, 24493, 38489, 48986, 66481, 76978, 97972, 132962, 153956, 265924, 269423, 465367, 538846, 731291, 930734, 1077692, 1462582, 1861468, 2925164, 5119037, 10238074, 20476148]

約数ペア:

[(1, 20476148), (2, 10238074), (4, 5119037), (7, 2925164), (11, 1861468), (14, 1462582), (19, 1077692), (22, 930734), (28, 731291), (38, 538846), (44, 465367), (76, 269423), (77, 265924), (133, 153956), (154, 132962), (209, 97972), (266, 76978), (308, 66481), (418, 48986), (532, 38489), (836, 24493), (1463, 13996), (2926, 6998), (3499, 5852)]