20206720005

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{83969}}^1$

素因数の和:84301

約数の個数: 32

約数和(自身を含む): 32986103040

約数和(自身を除く): 12779383035

約数列:

[1, 3, 5, 15, 61, 183, 263, 305, 789, 915, 1315, 3945, 16043, 48129, 80215, 83969, 240645, 251907, 419845, 1259535, 5122109, 15366327, 22083847, 25610545, 66251541, 76831635, 110419235, 331257705, 1347114667, 4041344001, 6735573335, 20206720005]

約数ペア:

[(1, 20206720005), (3, 6735573335), (5, 4041344001), (15, 1347114667), (61, 331257705), (183, 110419235), (263, 76831635), (305, 66251541), (789, 25610545), (915, 22083847), (1315, 15366327), (3945, 5122109), (16043, 1259535), (48129, 419845), (80215, 251907), (83969, 240645)]