20347130907

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{1249747}}^1$

素因数の和:1249829

約数の個数: 24

約数和(自身を含む): 30933762496

約数和(自身を除く): 10586631589

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1809, 5427, 16281, 1249747, 3749241, 11247723, 33743169, 83733049, 101229507, 251199147, 303688521, 753597441, 2260792323, 6782376969, 20347130907]

約数ペア:

[(1, 20347130907), (3, 6782376969), (9, 2260792323), (27, 753597441), (67, 303688521), (81, 251199147), (201, 101229507), (243, 83733049), (603, 33743169), (1809, 11247723), (5427, 3749241), (16281, 1249747)]