20861748

素因数分解:

$2^2\times 3^2\times {\mathrm{367}}^1\times {\mathrm{1579}}^1$

素因数の和:1956

約数の個数: 36

約数和(自身を含む): 52911040

約数和(自身を除く): 32049292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 367, 734, 1101, 1468, 1579, 2202, 3158, 3303, 4404, 4737, 6316, 6606, 9474, 13212, 14211, 18948, 28422, 56844, 579493, 1158986, 1738479, 2317972, 3476958, 5215437, 6953916, 10430874, 20861748]

約数ペア:

[(1, 20861748), (2, 10430874), (3, 6953916), (4, 5215437), (6, 3476958), (9, 2317972), (12, 1738479), (18, 1158986), (36, 579493), (367, 56844), (734, 28422), (1101, 18948), (1468, 14211), (1579, 13212), (2202, 9474), (3158, 6606), (3303, 6316), (4404, 4737)]