20740112

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56359}}^1$

素因数の和:56390

約数の個数: 20

約数和(自身を含む): 41931840

約数和(自身を除く): 21191728

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56359, 112718, 225436, 450872, 901744, 1296257, 2592514, 5185028, 10370056, 20740112]

約数ペア:

[(1, 20740112), (2, 10370056), (4, 5185028), (8, 2592514), (16, 1296257), (23, 901744), (46, 450872), (92, 225436), (184, 112718), (368, 56359)]