20035580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13723}}^1$

素因数の和:13805

約数の個数: 24

約数和(自身を含む): 42654192

約数和(自身を除く): 22618612

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13723, 27446, 54892, 68615, 137230, 274460, 1001779, 2003558, 4007116, 5008895, 10017790, 20035580]

約数ペア:

[(1, 20035580), (2, 10017790), (4, 5008895), (5, 4007116), (10, 2003558), (20, 1001779), (73, 274460), (146, 137230), (292, 68615), (365, 54892), (730, 27446), (1460, 13723)]