20572685

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 29663232

約数和(自身を除く): 9090547

約数列:

[1, 5, 7, 31, 35, 67, 155, 217, 283, 335, 469, 1085, 1415, 1981, 2077, 2345, 8773, 9905, 10385, 14539, 18961, 43865, 61411, 72695, 94805, 132727, 307055, 587791, 663635, 2938955, 4114537, 20572685]

約数ペア:

[(1, 20572685), (5, 4114537), (7, 2938955), (31, 663635), (35, 587791), (67, 307055), (155, 132727), (217, 94805), (283, 72695), (335, 61411), (469, 43865), (1085, 18961), (1415, 14539), (1981, 10385), (2077, 9905), (2345, 8773)]