20744308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1087}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 39237632

約数和(自身を除く): 18493324

約数列:

[1, 2, 4, 13, 26, 52, 367, 734, 1087, 1468, 2174, 4348, 4771, 9542, 14131, 19084, 28262, 56524, 398929, 797858, 1595716, 5186077, 10372154, 20744308]

約数ペア:

[(1, 20744308), (2, 10372154), (4, 5186077), (13, 1595716), (26, 797858), (52, 398929), (367, 56524), (734, 28262), (1087, 19084), (1468, 14131), (2174, 9542), (4348, 4771)]