20139959780

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2917}}^1\times {\mathrm{4729}}^1$

素因数の和:7728

約数の個数: 48

約数和(自身を含む): 42897051120

約数和(自身を除く): 22757091340

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 2917, 4729, 5834, 9458, 11668, 14585, 18916, 23645, 29170, 47290, 58340, 94580, 212941, 345217, 425882, 690434, 851764, 1064705, 1380868, 1726085, 2129410, 3452170, 4258820, 6904340, 13794493, 27588986, 55177972, 68972465, 137944930, 275889860, 1006997989, 2013995978, 4027991956, 5034989945, 10069979890, 20139959780]

約数ペア:

[(1, 20139959780), (2, 10069979890), (4, 5034989945), (5, 4027991956), (10, 2013995978), (20, 1006997989), (73, 275889860), (146, 137944930), (292, 68972465), (365, 55177972), (730, 27588986), (1460, 13794493), (2917, 6904340), (4729, 4258820), (5834, 3452170), (9458, 2129410), (11668, 1726085), (14585, 1380868), (18916, 1064705), (23645, 851764), (29170, 690434), (47290, 425882), (58340, 345217), (94580, 212941)]