20321806

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2719}}^1$

素因数の和:2859

約数の個数: 16

約数和(自身を含む): 31628160

約数和(自身を除く): 11306354

約数列:

[1, 2, 37, 74, 101, 202, 2719, 3737, 5438, 7474, 100603, 201206, 274619, 549238, 10160903, 20321806]

約数ペア:

[(1, 20321806), (2, 10160903), (37, 549238), (74, 274619), (101, 201206), (202, 100603), (2719, 7474), (3737, 5438)]