20883393

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 32400000

約数和(自身を除く): 11516607

約数列:

[1, 3, 9, 27, 29, 87, 149, 179, 261, 447, 537, 783, 1341, 1611, 4023, 4321, 4833, 5191, 12963, 15573, 26671, 38889, 46719, 80013, 116667, 140157, 240039, 720117, 773459, 2320377, 6961131, 20883393]

約数ペア:

[(1, 20883393), (3, 6961131), (9, 2320377), (27, 773459), (29, 720117), (87, 240039), (149, 140157), (179, 116667), (261, 80013), (447, 46719), (537, 38889), (783, 26671), (1341, 15573), (1611, 12963), (4023, 5191), (4321, 4833)]