20687718

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149911}}^1$

素因数の和:149939

約数の個数: 16

約数和(自身を含む): 43174656

約数和(自身を除く): 22486938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 149911, 299822, 449733, 899466, 3447953, 6895906, 10343859, 20687718]

約数ペア:

[(1, 20687718), (2, 10343859), (3, 6895906), (6, 3447953), (23, 899466), (46, 449733), (69, 299822), (138, 149911)]