20384969

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 2994871

約数列:

[1, 11, 23, 197, 253, 409, 2167, 4499, 4531, 9407, 49841, 80573, 103477, 886303, 1853179, 20384969]

約数ペア:

[(1, 20384969), (11, 1853179), (23, 886303), (197, 103477), (253, 80573), (409, 49841), (2167, 9407), (4499, 4531)]