20550871172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{300997}}^1$

素因数の和:301128

約数の個数: 36

約数和(自身を含む): 39329000676

約数和(自身を除く): 18778129504

約数列:

[1, 2, 4, 13, 26, 52, 101, 169, 202, 338, 404, 676, 1313, 2626, 5252, 17069, 34138, 68276, 300997, 601994, 1203988, 3912961, 7825922, 15651844, 30400697, 50868493, 60801394, 101736986, 121602788, 203473972, 395209061, 790418122, 1580836244, 5137717793, 10275435586, 20550871172]

約数ペア:

[(1, 20550871172), (2, 10275435586), (4, 5137717793), (13, 1580836244), (26, 790418122), (52, 395209061), (101, 203473972), (169, 121602788), (202, 101736986), (338, 60801394), (404, 50868493), (676, 30400697), (1313, 15651844), (2626, 7825922), (5252, 3912961), (17069, 1203988), (34138, 601994), (68276, 300997)]