220420496

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{24733}}^1$

素因数の和:25298

約数の個数: 20

約数和(自身を含む): 427848732

約数和(自身を除く): 207428236

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 24733, 49466, 98932, 197864, 395728, 13776281, 27552562, 55105124, 110210248, 220420496]

約数ペア:

[(1, 220420496), (2, 110210248), (4, 55105124), (8, 27552562), (16, 13776281), (557, 395728), (1114, 197864), (2228, 98932), (4456, 49466), (8912, 24733)]