20154670

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87629}}^1$

素因数の和:87659

約数の個数: 16

約数和(自身を含む): 37856160

約数和(自身を除く): 17701490

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87629, 175258, 438145, 876290, 2015467, 4030934, 10077335, 20154670]

約数ペア:

[(1, 20154670), (2, 10077335), (5, 4030934), (10, 2015467), (23, 876290), (46, 438145), (115, 175258), (230, 87629)]