220874896

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1254971}}^1$

素因数の和:1254990

約数の個数: 20

約数和(自身を含む): 466849584

約数和(自身を除く): 245974688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1254971, 2509942, 5019884, 10039768, 13804681, 20079536, 27609362, 55218724, 110437448, 220874896]

約数ペア:

[(1, 220874896), (2, 110437448), (4, 55218724), (8, 27609362), (11, 20079536), (16, 13804681), (22, 10039768), (44, 5019884), (88, 2509942), (176, 1254971)]