20148037

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 26808320

約数和(自身を除く): 6660283

約数列:

[1, 7, 13, 19, 43, 91, 133, 247, 271, 301, 559, 817, 1729, 1897, 3523, 3913, 5149, 5719, 10621, 11653, 24661, 36043, 66937, 74347, 81571, 151489, 221407, 468559, 1060423, 1549849, 2878291, 20148037]

約数ペア:

[(1, 20148037), (7, 2878291), (13, 1549849), (19, 1060423), (43, 468559), (91, 221407), (133, 151489), (247, 81571), (271, 74347), (301, 66937), (559, 36043), (817, 24661), (1729, 11653), (1897, 10621), (3523, 5719), (3913, 5149)]