20172747

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13159}}^1$

素因数の和:13242

約数の個数: 16

約数和(自身を含む): 31162880

約数和(自身を除く): 10990133

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13159, 39477, 92113, 276339, 960607, 2881821, 6724249, 20172747]

約数ペア:

[(1, 20172747), (3, 6724249), (7, 2881821), (21, 960607), (73, 276339), (219, 92113), (511, 39477), (1533, 13159)]