20465805

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22367}}^1$

素因数の和:22436

約数の個数: 16

約数和(自身を含む): 33283584

約数和(自身を除く): 12817779

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 22367, 67101, 111835, 335505, 1364387, 4093161, 6821935, 20465805]

約数ペア:

[(1, 20465805), (3, 6821935), (5, 4093161), (15, 1364387), (61, 335505), (183, 111835), (305, 67101), (915, 22367)]