20109486

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 42537600

約数和(自身を除く): 22428114

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 419, 421, 838, 842, 1257, 1263, 2514, 2526, 7961, 7999, 15922, 15998, 23883, 23997, 47766, 47994, 176399, 352798, 529197, 1058394, 3351581, 6703162, 10054743, 20109486]

約数ペア:

[(1, 20109486), (2, 10054743), (3, 6703162), (6, 3351581), (19, 1058394), (38, 529197), (57, 352798), (114, 176399), (419, 47994), (421, 47766), (838, 23997), (842, 23883), (1257, 15998), (1263, 15922), (2514, 7999), (2526, 7961)]