20837201

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 26883936

約数和(自身を除く): 6046735

約数列:

[1, 7, 11, 49, 67, 77, 469, 539, 577, 737, 3283, 4039, 5159, 6347, 28273, 36113, 38659, 44429, 270613, 311003, 425249, 1894291, 2976743, 20837201]

約数ペア:

[(1, 20837201), (7, 2976743), (11, 1894291), (49, 425249), (67, 311003), (77, 270613), (469, 44429), (539, 38659), (577, 36113), (737, 28273), (3283, 6347), (4039, 5159)]