20159396569

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{74831}}^1$

素因数の和:74937

約数の個数: 32

約数和(自身を含む): 24439532544

約数和(自身を除く): 4280135975

約数列:

[1, 13, 17, 23, 53, 221, 299, 391, 689, 901, 1219, 5083, 11713, 15847, 20723, 74831, 269399, 972803, 1272127, 1721113, 3966043, 16537651, 22374469, 29258921, 51558559, 67422731, 91218989, 380365973, 876495503, 1185846857, 1550722813, 20159396569]

約数ペア:

[(1, 20159396569), (13, 1550722813), (17, 1185846857), (23, 876495503), (53, 380365973), (221, 91218989), (299, 67422731), (391, 51558559), (689, 29258921), (901, 22374469), (1219, 16537651), (5083, 3966043), (11713, 1721113), (15847, 1272127), (20723, 972803), (74831, 269399)]