20700722

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 37307520

約数和(自身を除く): 16606798

約数列:

[1, 2, 7, 14, 29, 58, 67, 134, 203, 406, 469, 761, 938, 1522, 1943, 3886, 5327, 10654, 13601, 22069, 27202, 44138, 50987, 101974, 154483, 308966, 356909, 713818, 1478623, 2957246, 10350361, 20700722]

約数ペア:

[(1, 20700722), (2, 10350361), (7, 2957246), (14, 1478623), (29, 713818), (58, 356909), (67, 308966), (134, 154483), (203, 101974), (406, 50987), (469, 44138), (761, 27202), (938, 22069), (1522, 13601), (1943, 10654), (3886, 5327)]