20776115

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:682

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 4867405

約数列:

[1, 5, 47, 211, 235, 419, 1055, 2095, 9917, 19693, 49585, 88409, 98465, 442045, 4155223, 20776115]

約数ペア:

[(1, 20776115), (5, 4155223), (47, 442045), (211, 98465), (235, 88409), (419, 49585), (1055, 19693), (2095, 9917)]