20471495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16183}}^1$

素因数の和:16222

約数の個数: 16

約数和(自身を含む): 27965952

約数和(自身を除く): 7494457

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 16183, 80915, 178013, 372209, 890065, 1861045, 4094299, 20471495]

約数ペア:

[(1, 20471495), (5, 4094299), (11, 1861045), (23, 890065), (55, 372209), (115, 178013), (253, 80915), (1265, 16183)]