20160949215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{68147}}^1$

素因数の和:68340

約数の個数: 48

約数和(自身を含む): 35674660224

約数和(自身を除く): 15513711009

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 163, 165, 363, 489, 605, 815, 1793, 1815, 2445, 5379, 8965, 19723, 26895, 59169, 68147, 98615, 204441, 295845, 340735, 749617, 1022205, 2248851, 3748085, 8245787, 11107961, 11244255, 24737361, 33323883, 41228935, 55539805, 122187571, 123686805, 166619415, 366562713, 610937855, 1344063281, 1832813565, 4032189843, 6720316405, 20160949215]

約数ペア:

[(1, 20160949215), (3, 6720316405), (5, 4032189843), (11, 1832813565), (15, 1344063281), (33, 610937855), (55, 366562713), (121, 166619415), (163, 123686805), (165, 122187571), (363, 55539805), (489, 41228935), (605, 33323883), (815, 24737361), (1793, 11244255), (1815, 11107961), (2445, 8245787), (5379, 3748085), (8965, 2248851), (19723, 1022205), (26895, 749617), (59169, 340735), (68147, 295845), (98615, 204441)]