20913547

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2068853

約数列:

[1, 19, 37, 71, 419, 703, 1349, 2627, 7961, 15503, 29749, 49913, 294557, 565231, 1100713, 20913547]

約数ペア:

[(1, 20913547), (19, 1100713), (37, 565231), (71, 294557), (419, 49913), (703, 29749), (1349, 15503), (2627, 7961)]