20403927054

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{666403}}^1$

素因数の和:666433

約数の個数: 64

約数和(自身を含む): 52459322880

約数和(自身を除く): 32055395826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 2187, 3402, 4374, 5103, 10206, 15309, 30618, 666403, 1332806, 1999209, 3998418, 4664821, 5997627, 9329642, 11995254, 13994463, 17992881, 27988926, 35985762, 41983389, 53978643, 83966778, 107957286, 125950167, 161935929, 251900334, 323871858, 377850501, 485807787, 755701002, 971615574, 1133551503, 1457423361, 2267103006, 2914846722, 3400654509, 6801309018, 10201963527, 20403927054]

約数ペア:

[(1, 20403927054), (2, 10201963527), (3, 6801309018), (6, 3400654509), (7, 2914846722), (9, 2267103006), (14, 1457423361), (18, 1133551503), (21, 971615574), (27, 755701002), (42, 485807787), (54, 377850501), (63, 323871858), (81, 251900334), (126, 161935929), (162, 125950167), (189, 107957286), (243, 83966778), (378, 53978643), (486, 41983389), (567, 35985762), (729, 27988926), (1134, 17992881), (1458, 13994463), (1701, 11995254), (2187, 9329642), (3402, 5997627), (4374, 4664821), (5103, 3998418), (10206, 1999209), (15309, 1332806), (30618, 666403)]