20178546087

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{569581}}^1$

素因数の和:569839

約数の個数: 24

約数和(自身を含む): 31427256432

約数和(自身を除く): 11248710345

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 1687, 5061, 11809, 35427, 569581, 1708743, 3987067, 11961201, 27909469, 83728407, 137269021, 411807063, 960883147, 2882649441, 6726182029, 20178546087]

約数ペア:

[(1, 20178546087), (3, 6726182029), (7, 2882649441), (21, 960883147), (49, 411807063), (147, 137269021), (241, 83728407), (723, 27909469), (1687, 11961201), (5061, 3987067), (11809, 1708743), (35427, 569581)]