20700730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 39688704

約数和(自身を除く): 18987974

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 263, 463, 526, 926, 1315, 2315, 2630, 4471, 4630, 7871, 8942, 15742, 22355, 39355, 44710, 78710, 121769, 243538, 608845, 1217690, 2070073, 4140146, 10350365, 20700730]

約数ペア:

[(1, 20700730), (2, 10350365), (5, 4140146), (10, 2070073), (17, 1217690), (34, 608845), (85, 243538), (170, 121769), (263, 78710), (463, 44710), (526, 39355), (926, 22355), (1315, 15742), (2315, 8942), (2630, 7871), (4471, 4630)]