20710928

素因数分解:

$2^4\times 7^2\times {\mathrm{26417}}^1$

素因数の和:26439

約数の個数: 30

約数和(自身を含む): 46680606

約数和(自身を除く): 25969678

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26417, 52834, 105668, 184919, 211336, 369838, 422672, 739676, 1294433, 1479352, 2588866, 2958704, 5177732, 10355464, 20710928]

約数ペア:

[(1, 20710928), (2, 10355464), (4, 5177732), (7, 2958704), (8, 2588866), (14, 1479352), (16, 1294433), (28, 739676), (49, 422672), (56, 369838), (98, 211336), (112, 184919), (196, 105668), (392, 52834), (784, 26417)]