20001730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1753}}^1$

素因数の和:1930

約数の個数: 32

約数和(自身を含む): 41422464

約数和(自身を除く): 21420734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 1753, 2282, 3506, 5705, 8765, 11410, 12271, 17530, 24542, 61355, 122710, 285739, 571478, 1428695, 2000173, 2857390, 4000346, 10000865, 20001730]

約数ペア:

[(1, 20001730), (2, 10000865), (5, 4000346), (7, 2857390), (10, 2000173), (14, 1428695), (35, 571478), (70, 285739), (163, 122710), (326, 61355), (815, 24542), (1141, 17530), (1630, 12271), (1753, 11410), (2282, 8765), (3506, 5705)]