20565884420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{51407}}^1$

素因数の和:51740

約数の個数: 48

約数和(自身を含む): 43890916608

約数和(自身を除く): 23325032188

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 241, 332, 415, 482, 830, 964, 1205, 1660, 2410, 4820, 20003, 40006, 51407, 80012, 100015, 102814, 200030, 205628, 257035, 400060, 514070, 1028140, 4266781, 8533562, 12389087, 17067124, 21333905, 24778174, 42667810, 49556348, 61945435, 85335620, 123890870, 247781740, 1028294221, 2056588442, 4113176884, 5141471105, 10282942210, 20565884420]

約数ペア:

[(1, 20565884420), (2, 10282942210), (4, 5141471105), (5, 4113176884), (10, 2056588442), (20, 1028294221), (83, 247781740), (166, 123890870), (241, 85335620), (332, 61945435), (415, 49556348), (482, 42667810), (830, 24778174), (964, 21333905), (1205, 17067124), (1660, 12389087), (2410, 8533562), (4820, 4266781), (20003, 1028140), (40006, 514070), (51407, 400060), (80012, 257035), (100015, 205628), (102814, 200030)]