20154722078

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{511723}}^1$

素因数の和:512191

約数の個数: 16

約数和(自身を含む): 30949067520

約数和(自身を除く): 10794345442

約数列:

[1, 2, 47, 94, 419, 838, 19693, 39386, 511723, 1023446, 24050981, 48101962, 214411937, 428823874, 10077361039, 20154722078]

約数ペア:

[(1, 20154722078), (2, 10077361039), (47, 428823874), (94, 214411937), (419, 48101962), (838, 24050981), (19693, 1023446), (39386, 511723)]