20805266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5023}}^1$

素因数の和:5153

約数の個数: 16

約数和(自身を含む): 33158400

約数和(自身を除く): 12353134

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5023, 10046, 95437, 190874, 547507, 1095014, 10402633, 20805266]

約数ペア:

[(1, 20805266), (2, 10402633), (19, 1095014), (38, 547507), (109, 190874), (218, 95437), (2071, 10046), (4142, 5023)]