20154472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193793}}^1$

素因数の和:193812

約数の個数: 16

約数和(自身を含む): 40696740

約数和(自身を除く): 20542268

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193793, 387586, 775172, 1550344, 2519309, 5038618, 10077236, 20154472]

約数ペア:

[(1, 20154472), (2, 10077236), (4, 5038618), (8, 2519309), (13, 1550344), (26, 775172), (52, 387586), (104, 193793)]