20895212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21149}}^1$

素因数の和:21185

約数の個数: 24

約数和(自身を含む): 41454000

約数和(自身を除く): 20558788

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21149, 42298, 84596, 274937, 401831, 549874, 803662, 1099748, 1607324, 5223803, 10447606, 20895212]

約数ペア:

[(1, 20895212), (2, 10447606), (4, 5223803), (13, 1607324), (19, 1099748), (26, 803662), (38, 549874), (52, 401831), (76, 274937), (247, 84596), (494, 42298), (988, 21149)]