19967296

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{3089}}^1$

素因数の和:3202

約数の個数: 28

約数和(自身を含む): 40027860

約数和(自身を除く): 20060564

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 404, 808, 1616, 3089, 3232, 6178, 6464, 12356, 24712, 49424, 98848, 197696, 311989, 623978, 1247956, 2495912, 4991824, 9983648, 19967296]

約数ペア:

[(1, 19967296), (2, 9983648), (4, 4991824), (8, 2495912), (16, 1247956), (32, 623978), (64, 311989), (101, 197696), (202, 98848), (404, 49424), (808, 24712), (1616, 12356), (3089, 6464), (3232, 6178)]