2020779711

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 3238963200

約数和(自身を除く): 1218183489

約数列:

[1, 3, 9, 27, 29, 43, 47, 87, 129, 141, 261, 387, 423, 783, 1161, 1247, 1269, 1277, 1363, 2021, 3741, 3831, 4089, 6063, 11223, 11493, 12267, 18189, 33669, 34479, 36801, 37033, 54567, 54911, 58609, 60019, 111099, 164733, 175827, 180057, 333297, 494199, 527481, 540171, 999891, 1482597, 1582443, 1592419, 1620513, 1740551, 2580817, 4777257, 5221653, 7742451, 14331771, 15664959, 23227353, 42995313, 46994877, 69682059, 74843693, 224531079, 673593237, 2020779711]

約数ペア:

[(1, 2020779711), (3, 673593237), (9, 224531079), (27, 74843693), (29, 69682059), (43, 46994877), (47, 42995313), (87, 23227353), (129, 15664959), (141, 14331771), (261, 7742451), (387, 5221653), (423, 4777257), (783, 2580817), (1161, 1740551), (1247, 1620513), (1269, 1592419), (1277, 1582443), (1363, 1482597), (2021, 999891), (3741, 540171), (3831, 527481), (4089, 494199), (6063, 333297), (11223, 180057), (11493, 175827), (12267, 164733), (18189, 111099), (33669, 60019), (34479, 58609), (36801, 54911), (37033, 54567)]