20584136

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 39952440

約数和(自身を除く): 19368304

約数列:

[1, 2, 4, 8, 37, 74, 148, 197, 296, 353, 394, 706, 788, 1412, 1576, 2824, 7289, 13061, 14578, 26122, 29156, 52244, 58312, 69541, 104488, 139082, 278164, 556328, 2573017, 5146034, 10292068, 20584136]

約数ペア:

[(1, 20584136), (2, 10292068), (4, 5146034), (8, 2573017), (37, 556328), (74, 278164), (148, 139082), (197, 104488), (296, 69541), (353, 58312), (394, 52244), (706, 29156), (788, 26122), (1412, 14578), (1576, 13061), (2824, 7289)]