20448370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 18535310

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 281, 383, 562, 766, 1405, 1915, 2810, 3830, 5339, 7277, 10678, 14554, 26695, 36385, 53390, 72770, 107623, 215246, 538115, 1076230, 2044837, 4089674, 10224185, 20448370]

約数ペア:

[(1, 20448370), (2, 10224185), (5, 4089674), (10, 2044837), (19, 1076230), (38, 538115), (95, 215246), (190, 107623), (281, 72770), (383, 53390), (562, 36385), (766, 26695), (1405, 14554), (1915, 10678), (2810, 7277), (3830, 5339)]