22371220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{14159}}^1$

素因数の和:14247

約数の個数: 24

約数和(自身を含む): 47577600

約数和(自身を除く): 25206380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 14159, 28318, 56636, 70795, 141590, 283180, 1118561, 2237122, 4474244, 5592805, 11185610, 22371220]

約数ペア:

[(1, 22371220), (2, 11185610), (4, 5592805), (5, 4474244), (10, 2237122), (20, 1118561), (79, 283180), (158, 141590), (316, 70795), (395, 56636), (790, 28318), (1580, 14159)]