20196594490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1\times {\mathrm{15919}}^1$

素因数の和:16399

約数の個数: 48

約数和(自身を含む): 38708524800

約数和(自身を除く): 18511930310

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 439, 578, 878, 1445, 2195, 2890, 4390, 7463, 14926, 15919, 31838, 37315, 74630, 79595, 126871, 159190, 253742, 270623, 541246, 634355, 1268710, 1353115, 2706230, 4600591, 6988441, 9201182, 13976882, 23002955, 34942205, 46005910, 69884410, 118803497, 237606994, 594017485, 1188034970, 2019659449, 4039318898, 10098297245, 20196594490]

約数ペア:

[(1, 20196594490), (2, 10098297245), (5, 4039318898), (10, 2019659449), (17, 1188034970), (34, 594017485), (85, 237606994), (170, 118803497), (289, 69884410), (439, 46005910), (578, 34942205), (878, 23002955), (1445, 13976882), (2195, 9201182), (2890, 6988441), (4390, 4600591), (7463, 2706230), (14926, 1353115), (15919, 1268710), (31838, 634355), (37315, 541246), (74630, 270623), (79595, 253742), (126871, 159190)]