20442746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7577}}^1$

素因数の和:7669

約数の個数: 16

約数和(自身を含む): 32736960

約数和(自身を除く): 12294214

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7577, 15154, 143963, 287926, 537967, 1075934, 10221373, 20442746]

約数ペア:

[(1, 20442746), (2, 10221373), (19, 1075934), (38, 537967), (71, 287926), (142, 143963), (1349, 15154), (2698, 7577)]