20800428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157579}}^1$

素因数の和:157597

約数の個数: 24

約数和(自身を含む): 52946880

約数和(自身を除く): 32146452

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157579, 315158, 472737, 630316, 945474, 1733369, 1890948, 3466738, 5200107, 6933476, 10400214, 20800428]

約数ペア:

[(1, 20800428), (2, 10400214), (3, 6933476), (4, 5200107), (6, 3466738), (11, 1890948), (12, 1733369), (22, 945474), (33, 630316), (44, 472737), (66, 315158), (132, 157579)]