20291804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1231}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 38394048

約数和(自身を除く): 18102244

約数列:

[1, 2, 4, 13, 26, 52, 317, 634, 1231, 1268, 2462, 4121, 4924, 8242, 16003, 16484, 32006, 64012, 390227, 780454, 1560908, 5072951, 10145902, 20291804]

約数ペア:

[(1, 20291804), (2, 10145902), (4, 5072951), (13, 1560908), (26, 780454), (52, 390227), (317, 64012), (634, 32006), (1231, 16484), (1268, 16003), (2462, 8242), (4121, 4924)]