20954769

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11981}}^1$

素因数の和:12048

約数の個数: 16

約数和(自身を含む): 31057344

約数和(自身を除く): 10102575

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11981, 35943, 131791, 395373, 634993, 1904979, 6984923, 20954769]

約数ペア:

[(1, 20954769), (3, 6984923), (11, 1904979), (33, 634993), (53, 395373), (159, 131791), (583, 35943), (1749, 11981)]