20306740

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5869}}^1$

素因数の和:6051

約数の個数: 24

約数和(自身を含む): 42897960

約数和(自身を除く): 22591220

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5869, 11738, 23476, 29345, 58690, 117380, 1015337, 2030674, 4061348, 5076685, 10153370, 20306740]

約数ペア:

[(1, 20306740), (2, 10153370), (4, 5076685), (5, 4061348), (10, 2030674), (20, 1015337), (173, 117380), (346, 58690), (692, 29345), (865, 23476), (1730, 11738), (3460, 5869)]