20288970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17341}}^1$

素因数の和:17367

約数の個数: 48

約数和(自身を含む): 56812392

約数和(自身を除く): 36523422

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17341, 34682, 52023, 86705, 104046, 156069, 173410, 225433, 260115, 312138, 450866, 520230, 676299, 780345, 1127165, 1352598, 1560690, 2028897, 2254330, 3381495, 4057794, 6762990, 10144485, 20288970]

約数ペア:

[(1, 20288970), (2, 10144485), (3, 6762990), (5, 4057794), (6, 3381495), (9, 2254330), (10, 2028897), (13, 1560690), (15, 1352598), (18, 1127165), (26, 780345), (30, 676299), (39, 520230), (45, 450866), (65, 312138), (78, 260115), (90, 225433), (117, 173410), (130, 156069), (195, 104046), (234, 86705), (390, 52023), (585, 34682), (1170, 17341)]