20219008

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{1153}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 40609260

約数和(自身を除く): 20390252

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1096, 1153, 2192, 2306, 4384, 4612, 8768, 9224, 17536, 18448, 36896, 73792, 147584, 157961, 315922, 631844, 1263688, 2527376, 5054752, 10109504, 20219008]

約数ペア:

[(1, 20219008), (2, 10109504), (4, 5054752), (8, 2527376), (16, 1263688), (32, 631844), (64, 315922), (128, 157961), (137, 147584), (274, 73792), (548, 36896), (1096, 18448), (1153, 17536), (2192, 9224), (2306, 8768), (4384, 4612)]