20121241715

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{304153}}^1$

素因数の和:304390

約数の個数: 16

約数和(自身を含む): 24570776736

約数和(自身を除く): 4449535021

約数列:

[1, 5, 101, 131, 505, 655, 13231, 66155, 304153, 1520765, 30719453, 39844043, 153597265, 199220215, 4024248343, 20121241715]

約数ペア:

[(1, 20121241715), (5, 4024248343), (101, 199220215), (131, 153597265), (505, 39844043), (655, 30719453), (13231, 1520765), (66155, 304153)]