20869750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7589}}^1$

素因数の和:7617

約数の個数: 32

約数和(自身を含む): 42625440

約数和(自身を除く): 21755690

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7589, 15178, 37945, 75890, 83479, 166958, 189725, 379450, 417395, 834790, 948625, 1897250, 2086975, 4173950, 10434875, 20869750]

約数ペア:

[(1, 20869750), (2, 10434875), (5, 4173950), (10, 2086975), (11, 1897250), (22, 948625), (25, 834790), (50, 417395), (55, 379450), (110, 189725), (125, 166958), (250, 83479), (275, 75890), (550, 37945), (1375, 15178), (2750, 7589)]