20281569350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{2543}}^1\times {\mathrm{22787}}^1$

素因数の和:25349

約数の個数: 48

約数和(自身を含む): 43131667968

約数和(自身を除く): 22850098618

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 2543, 5086, 12715, 17801, 22787, 25430, 35602, 45574, 63575, 89005, 113935, 127150, 159509, 178010, 227870, 319018, 445025, 569675, 797545, 890050, 1139350, 1595090, 3987725, 7975450, 57947341, 115894682, 289736705, 405631387, 579473410, 811262774, 1448683525, 2028156935, 2897367050, 4056313870, 10140784675, 20281569350]

約数ペア:

[(1, 20281569350), (2, 10140784675), (5, 4056313870), (7, 2897367050), (10, 2028156935), (14, 1448683525), (25, 811262774), (35, 579473410), (50, 405631387), (70, 289736705), (175, 115894682), (350, 57947341), (2543, 7975450), (5086, 3987725), (12715, 1595090), (17801, 1139350), (22787, 890050), (25430, 797545), (35602, 569675), (45574, 445025), (63575, 319018), (89005, 227870), (113935, 178010), (127150, 159509)]