20383083

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 36481536

約数和(自身を除く): 16098453

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 521, 567, 621, 1449, 1563, 1701, 1863, 3647, 4347, 4689, 5589, 10941, 11983, 13041, 14067, 32823, 35949, 39123, 42201, 83881, 98469, 107847, 126603, 251643, 295407, 323541, 754929, 886221, 970623, 2264787, 2911869, 6794361, 20383083]

約数ペア:

[(1, 20383083), (3, 6794361), (7, 2911869), (9, 2264787), (21, 970623), (23, 886221), (27, 754929), (63, 323541), (69, 295407), (81, 251643), (161, 126603), (189, 107847), (207, 98469), (243, 83881), (483, 42201), (521, 39123), (567, 35949), (621, 32823), (1449, 14067), (1563, 13041), (1701, 11983), (1863, 10941), (3647, 5589), (4347, 4689)]