20447988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1597}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 52618944

約数和(自身を除く): 32170956

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 97, 132, 194, 291, 388, 582, 1067, 1164, 1597, 2134, 3194, 3201, 4268, 4791, 6388, 6402, 9582, 12804, 17567, 19164, 35134, 52701, 70268, 105402, 154909, 210804, 309818, 464727, 619636, 929454, 1703999, 1858908, 3407998, 5111997, 6815996, 10223994, 20447988]

約数ペア:

[(1, 20447988), (2, 10223994), (3, 6815996), (4, 5111997), (6, 3407998), (11, 1858908), (12, 1703999), (22, 929454), (33, 619636), (44, 464727), (66, 309818), (97, 210804), (132, 154909), (194, 105402), (291, 70268), (388, 52701), (582, 35134), (1067, 19164), (1164, 17567), (1597, 12804), (2134, 9582), (3194, 6402), (3201, 6388), (4268, 4791)]