20199509577

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{313331}}^1$

素因数の和:313398

約数の個数: 48

約数和(自身を含む): 34215854400

約数和(自身を除く): 14016344823

約数列:

[1, 3, 9, 13, 19, 29, 39, 57, 87, 117, 171, 247, 261, 377, 551, 741, 1131, 1653, 2223, 3393, 4959, 7163, 21489, 64467, 313331, 939993, 2819979, 4073303, 5953289, 9086599, 12219909, 17859867, 27259797, 36659727, 53579601, 77392757, 81779391, 118125787, 172645381, 232178271, 354377361, 517936143, 696534813, 1063132083, 1553808429, 2244389953, 6733169859, 20199509577]

約数ペア:

[(1, 20199509577), (3, 6733169859), (9, 2244389953), (13, 1553808429), (19, 1063132083), (29, 696534813), (39, 517936143), (57, 354377361), (87, 232178271), (117, 172645381), (171, 118125787), (247, 81779391), (261, 77392757), (377, 53579601), (551, 36659727), (741, 27259797), (1131, 17859867), (1653, 12219909), (2223, 9086599), (3393, 5953289), (4959, 4073303), (7163, 2819979), (21489, 939993), (64467, 313331)]