20163984918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{109937}}^1$

素因数の和:110357

約数の個数: 64

約数和(自身を含む): 50406133248

約数和(自身を除く): 30242148330

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 397, 462, 794, 1191, 2382, 2779, 4367, 5558, 8337, 8734, 13101, 16674, 26202, 30569, 61138, 91707, 109937, 183414, 219874, 329811, 659622, 769559, 1209307, 1539118, 2308677, 2418614, 3627921, 4617354, 7255842, 8465149, 16930298, 25395447, 43644989, 50790894, 87289978, 130934967, 261869934, 305514923, 480094879, 611029846, 916544769, 960189758, 1440284637, 1833089538, 2880569274, 3360664153, 6721328306, 10081992459, 20163984918]

約数ペア:

[(1, 20163984918), (2, 10081992459), (3, 6721328306), (6, 3360664153), (7, 2880569274), (11, 1833089538), (14, 1440284637), (21, 960189758), (22, 916544769), (33, 611029846), (42, 480094879), (66, 305514923), (77, 261869934), (154, 130934967), (231, 87289978), (397, 50790894), (462, 43644989), (794, 25395447), (1191, 16930298), (2382, 8465149), (2779, 7255842), (4367, 4617354), (5558, 3627921), (8337, 2418614), (8734, 2308677), (13101, 1539118), (16674, 1209307), (26202, 769559), (30569, 659622), (61138, 329811), (91707, 219874), (109937, 183414)]