20282743089

素因数分解:

$3^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{205981}}^1$

素因数の和:206518

約数の個数: 32

約数和(自身を含む): 34407233280

約数和(自身を除く): 14124490191

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 521, 1563, 3647, 4689, 10941, 14067, 32823, 98469, 205981, 617943, 1441867, 1853829, 4325601, 5561487, 12976803, 38930409, 107316101, 321948303, 751212707, 965844909, 2253638121, 2897534727, 6760914363, 20282743089]

約数ペア:

[(1, 20282743089), (3, 6760914363), (7, 2897534727), (9, 2253638121), (21, 965844909), (27, 751212707), (63, 321948303), (189, 107316101), (521, 38930409), (1563, 12976803), (3647, 5561487), (4689, 4325601), (10941, 1853829), (14067, 1441867), (32823, 617943), (98469, 205981)]