20687442

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149909}}^1$

素因数の和:149937

約数の個数: 16

約数和(自身を含む): 43174080

約数和(自身を除く): 22486638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 149909, 299818, 449727, 899454, 3447907, 6895814, 10343721, 20687442]

約数ペア:

[(1, 20687442), (2, 10343721), (3, 6895814), (6, 3447907), (23, 899454), (46, 449727), (69, 299818), (138, 149909)]