20342633512

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{257}}^1\times {\mathrm{72221}}^1$

素因数の和:72621

約数の個数: 32

約数和(自身を含む): 38570881320

約数和(自身を除く): 18228247808

約数列:

[1, 2, 4, 8, 137, 257, 274, 514, 548, 1028, 1096, 2056, 35209, 70418, 72221, 140836, 144442, 281672, 288884, 577768, 9894277, 18560797, 19788554, 37121594, 39577108, 74243188, 79154216, 148486376, 2542829189, 5085658378, 10171316756, 20342633512]

約数ペア:

[(1, 20342633512), (2, 10171316756), (4, 5085658378), (8, 2542829189), (137, 148486376), (257, 79154216), (274, 74243188), (514, 39577108), (548, 37121594), (1028, 19788554), (1096, 18560797), (2056, 9894277), (35209, 577768), (70418, 288884), (72221, 281672), (140836, 144442)]