20165127957

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{137771}}^1$

素因数の和:137935

約数の個数: 40

約数和(自身を含む): 32674007520

約数和(自身を除く): 12508879563

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 139, 351, 417, 1053, 1251, 1807, 3753, 5421, 11259, 16263, 48789, 137771, 146367, 413313, 1239939, 1791023, 3719817, 5373069, 11159451, 16119207, 19150169, 48357621, 57450507, 145072863, 172351521, 248952197, 517054563, 746856591, 1551163689, 2240569773, 6721709319, 20165127957]

約数ペア:

[(1, 20165127957), (3, 6721709319), (9, 2240569773), (13, 1551163689), (27, 746856591), (39, 517054563), (81, 248952197), (117, 172351521), (139, 145072863), (351, 57450507), (417, 48357621), (1053, 19150169), (1251, 16119207), (1807, 11159451), (3753, 5373069), (5421, 3719817), (11259, 1791023), (16263, 1239939), (48789, 413313), (137771, 146367)]