20035780

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2887}}^1$

素因数の和:3243

約数の個数: 24

約数和(自身を含む): 42211008

約数和(自身を除く): 22175228

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2887, 3470, 5774, 6940, 11548, 14435, 28870, 57740, 1001789, 2003578, 4007156, 5008945, 10017890, 20035780]

約数ペア:

[(1, 20035780), (2, 10017890), (4, 5008945), (5, 4007156), (10, 2003578), (20, 1001789), (347, 57740), (694, 28870), (1388, 14435), (1735, 11548), (2887, 6940), (3470, 5774)]