20637801

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 31799040

約数和(自身を除く): 11161239

約数列:

[1, 3, 9, 27, 41, 103, 123, 181, 309, 369, 543, 927, 1107, 1629, 2781, 4223, 4887, 7421, 12669, 18643, 22263, 38007, 55929, 66789, 114021, 167787, 200367, 503361, 764363, 2293089, 6879267, 20637801]

約数ペア:

[(1, 20637801), (3, 6879267), (9, 2293089), (27, 764363), (41, 503361), (103, 200367), (123, 167787), (181, 114021), (309, 66789), (369, 55929), (543, 38007), (927, 22263), (1107, 18643), (1629, 12669), (2781, 7421), (4223, 4887)]