20199691485

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{10799}}^1$

素因数の和:11218

約数の個数: 48

約数和(自身を含む): 35360582400

約数和(自身を除く): 15160890915

約数列:

[1, 3, 5, 9, 15, 45, 197, 211, 591, 633, 985, 1055, 1773, 1899, 2955, 3165, 8865, 9495, 10799, 32397, 41567, 53995, 97191, 124701, 161985, 207835, 374103, 485955, 623505, 1870515, 2127403, 2278589, 6382209, 6835767, 10637015, 11392945, 19146627, 20507301, 31911045, 34178835, 95733135, 102536505, 448882033, 1346646099, 2244410165, 4039938297, 6733230495, 20199691485]

約数ペア:

[(1, 20199691485), (3, 6733230495), (5, 4039938297), (9, 2244410165), (15, 1346646099), (45, 448882033), (197, 102536505), (211, 95733135), (591, 34178835), (633, 31911045), (985, 20507301), (1055, 19146627), (1773, 11392945), (1899, 10637015), (2955, 6835767), (3165, 6382209), (8865, 2278589), (9495, 2127403), (10799, 1870515), (32397, 623505), (41567, 485955), (53995, 374103), (97191, 207835), (124701, 161985)]