20666498

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{881}}^1$

素因数の和:1237

約数の個数: 16

約数和(自身を含む): 31974264

約数和(自身を除く): 11307766

約数列:

[1, 2, 37, 74, 317, 634, 881, 1762, 11729, 23458, 32597, 65194, 279277, 558554, 10333249, 20666498]

約数ペア:

[(1, 20666498), (2, 10333249), (37, 558554), (74, 279277), (317, 65194), (634, 32597), (881, 23458), (1762, 11729)]