20732240

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{769}}^1$

素因数の和:1119

約数の個数: 40

約数和(自身を含む): 48408360

約数和(自身を除く): 27676120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 769, 1348, 1538, 1685, 2696, 3076, 3370, 3845, 5392, 6152, 6740, 7690, 12304, 13480, 15380, 26960, 30760, 61520, 259153, 518306, 1036612, 1295765, 2073224, 2591530, 4146448, 5183060, 10366120, 20732240]

約数ペア:

[(1, 20732240), (2, 10366120), (4, 5183060), (5, 4146448), (8, 2591530), (10, 2073224), (16, 1295765), (20, 1036612), (40, 518306), (80, 259153), (337, 61520), (674, 30760), (769, 26960), (1348, 15380), (1538, 13480), (1685, 12304), (2696, 7690), (3076, 6740), (3370, 6152), (3845, 5392)]