20199242672

素因数分解:

$2^4\times 7^1\times {\mathrm{180350381}}^1$

素因数の和:180350396

約数の個数: 20

約数和(自身を含む): 44726894736

約数和(自身を除く): 24527652064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180350381, 360700762, 721401524, 1262452667, 1442803048, 2524905334, 2885606096, 5049810668, 10099621336, 20199242672]

約数ペア:

[(1, 20199242672), (2, 10099621336), (4, 5049810668), (7, 2885606096), (8, 2524905334), (14, 1442803048), (16, 1262452667), (28, 721401524), (56, 360700762), (112, 180350381)]