20194356645

素因数分解:

$3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1\times {\mathrm{839}}^1$

素因数の和:1536

約数の個数: 80

約数和(自身を含む): 36658702080

約数和(自身を除く): 16464345435

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 309, 405, 515, 577, 839, 927, 1545, 1731, 2517, 2781, 2885, 4195, 4635, 5193, 7551, 8343, 8655, 12585, 13905, 15579, 22653, 25965, 37755, 41715, 46737, 59431, 67959, 77895, 86417, 113265, 178293, 233685, 259251, 297155, 339795, 432085, 484103, 534879, 777753, 891465, 1296255, 1452309, 1604637, 2333259, 2420515, 2674395, 3888765, 4356927, 4813911, 6999777, 7261545, 8023185, 11666295, 13070781, 21784635, 24069555, 34998885, 39212343, 49862609, 65353905, 149587827, 196061715, 249313045, 448763481, 747939135, 1346290443, 2243817405, 4038871329, 6731452215, 20194356645]

約数ペア:

[(1, 20194356645), (3, 6731452215), (5, 4038871329), (9, 2243817405), (15, 1346290443), (27, 747939135), (45, 448763481), (81, 249313045), (103, 196061715), (135, 149587827), (309, 65353905), (405, 49862609), (515, 39212343), (577, 34998885), (839, 24069555), (927, 21784635), (1545, 13070781), (1731, 11666295), (2517, 8023185), (2781, 7261545), (2885, 6999777), (4195, 4813911), (4635, 4356927), (5193, 3888765), (7551, 2674395), (8343, 2420515), (8655, 2333259), (12585, 1604637), (13905, 1452309), (15579, 1296255), (22653, 891465), (25965, 777753), (37755, 534879), (41715, 484103), (46737, 432085), (59431, 339795), (67959, 297155), (77895, 259251), (86417, 233685), (113265, 178293)]