20163684786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{28123}}^1$

素因数の和:28575

約数の個数: 64

約数和(自身を含む): 47280718848

約数和(自身を除く): 27117034062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 397, 602, 794, 903, 1191, 1806, 2382, 2779, 5558, 8337, 16674, 17071, 28123, 34142, 51213, 56246, 84369, 102426, 119497, 168738, 196861, 238994, 358491, 393722, 590583, 716982, 1181166, 1209289, 2418578, 3627867, 7255734, 8465023, 11164831, 16930046, 22329662, 25395069, 33494493, 50790138, 66988986, 78153817, 156307634, 234461451, 468922902, 480087733, 960175466, 1440263199, 2880526398, 3360614131, 6721228262, 10081842393, 20163684786]

約数ペア:

[(1, 20163684786), (2, 10081842393), (3, 6721228262), (6, 3360614131), (7, 2880526398), (14, 1440263199), (21, 960175466), (42, 480087733), (43, 468922902), (86, 234461451), (129, 156307634), (258, 78153817), (301, 66988986), (397, 50790138), (602, 33494493), (794, 25395069), (903, 22329662), (1191, 16930046), (1806, 11164831), (2382, 8465023), (2779, 7255734), (5558, 3627867), (8337, 2418578), (16674, 1209289), (17071, 1181166), (28123, 716982), (34142, 590583), (51213, 393722), (56246, 358491), (84369, 238994), (102426, 196861), (119497, 168738)]