20456768

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16823}}^1$

素因数の和:16854

約数の個数: 28

約数和(自身を含む): 42732960

約数和(自身を除く): 22276192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16823, 33646, 67292, 134584, 269168, 319637, 538336, 639274, 1076672, 1278548, 2557096, 5114192, 10228384, 20456768]

約数ペア:

[(1, 20456768), (2, 10228384), (4, 5114192), (8, 2557096), (16, 1278548), (19, 1076672), (32, 639274), (38, 538336), (64, 319637), (76, 269168), (152, 134584), (304, 67292), (608, 33646), (1216, 16823)]