20216353491

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{16301}}^1$

素因数の和:16625

約数の個数: 40

約数和(自身を含む): 30818996208

約数和(自身を除く): 10602642717

約数列:

[1, 3, 9, 27, 61, 81, 183, 251, 549, 753, 1647, 2259, 4941, 6777, 15311, 16301, 20331, 45933, 48903, 137799, 146709, 413397, 440127, 994361, 1240191, 1320381, 2983083, 4091551, 8949249, 12274653, 26847747, 36823959, 80543241, 110471877, 249584611, 331415631, 748753833, 2246261499, 6738784497, 20216353491]

約数ペア:

[(1, 20216353491), (3, 6738784497), (9, 2246261499), (27, 748753833), (61, 331415631), (81, 249584611), (183, 110471877), (251, 80543241), (549, 36823959), (753, 26847747), (1647, 12274653), (2259, 8949249), (4941, 4091551), (6777, 2983083), (15311, 1320381), (16301, 1240191), (20331, 994361), (45933, 440127), (48903, 413397), (137799, 146709)]