20090179629

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{359981}}^1$

素因数の和:360059

約数の個数: 40

約数和(自身を含む): 32929713432

約数和(自身を除く): 12839533803

約数列:

[1, 3, 9, 13, 27, 39, 53, 81, 117, 159, 351, 477, 689, 1053, 1431, 2067, 4293, 6201, 18603, 55809, 359981, 1079943, 3239829, 4679753, 9719487, 14039259, 19078993, 29158461, 42117777, 57236979, 126353331, 171710937, 248026909, 379059993, 515132811, 744080727, 1545398433, 2232242181, 6696726543, 20090179629]

約数ペア:

[(1, 20090179629), (3, 6696726543), (9, 2232242181), (13, 1545398433), (27, 744080727), (39, 515132811), (53, 379059993), (81, 248026909), (117, 171710937), (159, 126353331), (351, 57236979), (477, 42117777), (689, 29158461), (1053, 19078993), (1431, 14039259), (2067, 9719487), (4293, 4679753), (6201, 3239829), (18603, 1079943), (55809, 359981)]