20127757

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 2225651

約数列:

[1, 13, 53, 131, 223, 689, 1703, 2899, 6943, 11819, 29213, 90259, 153647, 379769, 1548289, 20127757]

約数ペア:

[(1, 20127757), (13, 1548289), (53, 379769), (131, 153647), (223, 90259), (689, 29213), (1703, 11819), (2899, 6943)]