20419464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65447}}^1$

素因数の和:65469

約数の個数: 32

約数和(自身を含む): 54976320

約数和(自身を除く): 34556856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 65447, 130894, 196341, 261788, 392682, 523576, 785364, 850811, 1570728, 1701622, 2552433, 3403244, 5104866, 6806488, 10209732, 20419464]

約数ペア:

[(1, 20419464), (2, 10209732), (3, 6806488), (4, 5104866), (6, 3403244), (8, 2552433), (12, 1701622), (13, 1570728), (24, 850811), (26, 785364), (39, 523576), (52, 392682), (78, 261788), (104, 196341), (156, 130894), (312, 65447)]