20675916

素因数分解:

$2^2\times 3^2\times {\mathrm{353}}^1\times {\mathrm{1627}}^1$

素因数の和:1990

約数の個数: 36

約数和(自身を含む): 52444392

約数和(自身を除く): 31768476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 353, 706, 1059, 1412, 1627, 2118, 3177, 3254, 4236, 4881, 6354, 6508, 9762, 12708, 14643, 19524, 29286, 58572, 574331, 1148662, 1722993, 2297324, 3445986, 5168979, 6891972, 10337958, 20675916]

約数ペア:

[(1, 20675916), (2, 10337958), (3, 6891972), (4, 5168979), (6, 3445986), (9, 2297324), (12, 1722993), (18, 1148662), (36, 574331), (353, 58572), (706, 29286), (1059, 19524), (1412, 14643), (1627, 12708), (2118, 9762), (3177, 6508), (3254, 6354), (4236, 4881)]