20185778889

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{1489}}^1\times {\mathrm{51941}}^1$

素因数の和:53465

約数の個数: 24

約数和(自身を含む): 30183496200

約数和(自身を除く): 9997717311

約数列:

[1, 3, 9, 29, 87, 261, 1489, 4467, 13401, 43181, 51941, 129543, 155823, 388629, 467469, 1506289, 4518867, 13556601, 77340149, 232020447, 696061341, 2242864321, 6728592963, 20185778889]

約数ペア:

[(1, 20185778889), (3, 6728592963), (9, 2242864321), (29, 696061341), (87, 232020447), (261, 77340149), (1489, 13556601), (4467, 4518867), (13401, 1506289), (43181, 467469), (51941, 388629), (129543, 155823)]