20411757

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4455

約数の個数: 24

約数和(自身を含む): 32192160

約数和(自身を除く): 11780403

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4421, 4617, 13263, 39789, 83999, 119367, 251997, 358101, 755991, 1074303, 2267973, 6803919, 20411757]

約数ペア:

[(1, 20411757), (3, 6803919), (9, 2267973), (19, 1074303), (27, 755991), (57, 358101), (81, 251997), (171, 119367), (243, 83999), (513, 39789), (1539, 13263), (4421, 4617)]