20021958

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 29882682

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 198, 222, 297, 333, 407, 594, 666, 814, 911, 999, 1221, 1822, 1998, 2442, 2733, 3663, 5466, 7326, 8199, 10021, 10989, 16398, 20042, 21978, 24597, 30063, 33707, 49194, 60126, 67414, 90189, 101121, 180378, 202242, 270567, 303363, 370777, 541134, 606726, 741554, 910089, 1112331, 1820178, 2224662, 3336993, 6673986, 10010979, 20021958]

約数ペア:

[(1, 20021958), (2, 10010979), (3, 6673986), (6, 3336993), (9, 2224662), (11, 1820178), (18, 1112331), (22, 910089), (27, 741554), (33, 606726), (37, 541134), (54, 370777), (66, 303363), (74, 270567), (99, 202242), (111, 180378), (198, 101121), (222, 90189), (297, 67414), (333, 60126), (407, 49194), (594, 33707), (666, 30063), (814, 24597), (911, 21978), (999, 20042), (1221, 16398), (1822, 10989), (1998, 10021), (2442, 8199), (2733, 7326), (3663, 5466)]