20187618274

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1\times {\mathrm{155723}}^1$

素因数の和:157001

約数の個数: 16

約数和(自身を含む): 30878200512

約数和(自身を除く): 10690582238

約数列:

[1, 2, 53, 106, 1223, 2446, 64819, 129638, 155723, 311446, 8253319, 16506638, 190449229, 380898458, 10093809137, 20187618274]

約数ペア:

[(1, 20187618274), (2, 10093809137), (53, 380898458), (106, 190449229), (1223, 16506638), (2446, 8253319), (64819, 311446), (129638, 155723)]