20291545

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 25205760

約数和(自身を除く): 4914215

約数列:

[1, 5, 47, 79, 235, 395, 1093, 3713, 5465, 18565, 51371, 86347, 256855, 431735, 4058309, 20291545]

約数ペア:

[(1, 20291545), (5, 4058309), (47, 431735), (79, 256855), (235, 86347), (395, 51371), (1093, 18565), (3713, 5465)]