20157740890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{378407}}^1$

素因数の和:379182

約数の個数: 32

約数和(自身を含む): 41521953024

約数和(自身を除く): 21364212134

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 761, 1522, 3805, 5327, 7610, 10654, 26635, 53270, 378407, 756814, 1892035, 2648849, 3784070, 5297698, 13244245, 26488490, 287967727, 575935454, 1439838635, 2015774089, 2879677270, 4031548178, 10078870445, 20157740890]

約数ペア:

[(1, 20157740890), (2, 10078870445), (5, 4031548178), (7, 2879677270), (10, 2015774089), (14, 1439838635), (35, 575935454), (70, 287967727), (761, 26488490), (1522, 13244245), (3805, 5297698), (5327, 3784070), (7610, 2648849), (10654, 1892035), (26635, 756814), (53270, 378407)]