20012254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1455

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 11414306

約数列:

[1, 2, 23, 46, 439, 878, 991, 1982, 10097, 20194, 22793, 45586, 435049, 870098, 10006127, 20012254]

約数ペア:

[(1, 20012254), (2, 10006127), (23, 870098), (46, 435049), (439, 45586), (878, 22793), (991, 20194), (1982, 10097)]