20264783

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 6346417

約数列:

[1, 7, 11, 41, 49, 77, 131, 287, 343, 451, 539, 917, 1441, 2009, 3157, 3773, 5371, 6419, 10087, 14063, 22099, 37597, 44933, 59081, 70609, 154693, 263179, 413567, 494263, 1842253, 2894969, 20264783]

約数ペア:

[(1, 20264783), (7, 2894969), (11, 1842253), (41, 494263), (49, 413567), (77, 263179), (131, 154693), (287, 70609), (343, 59081), (451, 44933), (539, 37597), (917, 22099), (1441, 14063), (2009, 10087), (3157, 6419), (3773, 5371)]