20219530

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87911}}^1$

素因数の和:87941

約数の個数: 16

約数和(自身を含む): 37977984

約数和(自身を除く): 17758454

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87911, 175822, 439555, 879110, 2021953, 4043906, 10109765, 20219530]

約数ペア:

[(1, 20219530), (2, 10109765), (5, 4043906), (10, 2021953), (23, 879110), (46, 439555), (115, 175822), (230, 87911)]