20507487

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6829}}^1$

素因数の和:6863

約数の個数: 32

約数和(自身を含む): 36718080

約数和(自身を除く): 16210593

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 6829, 20487, 47803, 75119, 88777, 143409, 225357, 266331, 525833, 621439, 976547, 1577499, 1864317, 2929641, 6835829, 20507487]

約数ペア:

[(1, 20507487), (3, 6835829), (7, 2929641), (11, 1864317), (13, 1577499), (21, 976547), (33, 621439), (39, 525833), (77, 266331), (91, 225357), (143, 143409), (231, 88777), (273, 75119), (429, 47803), (1001, 20487), (3003, 6829)]