20586310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1117}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 39443040

約数和(自身を除く): 18856730

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1117, 1843, 2234, 3686, 5585, 9215, 11170, 18430, 21223, 42446, 106115, 108349, 212230, 216698, 541745, 1083490, 2058631, 4117262, 10293155, 20586310]

約数ペア:

[(1, 20586310), (2, 10293155), (5, 4117262), (10, 2058631), (19, 1083490), (38, 541745), (95, 216698), (97, 212230), (190, 108349), (194, 106115), (485, 42446), (970, 21223), (1117, 18430), (1843, 11170), (2234, 9215), (3686, 5585)]