20584971

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{617}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 32585904

約数和(自身を除く): 12000933

約数列:

[1, 3, 9, 11, 33, 99, 337, 617, 1011, 1851, 3033, 3707, 5553, 6787, 11121, 20361, 33363, 61083, 207929, 623787, 1871361, 2287219, 6861657, 20584971]

約数ペア:

[(1, 20584971), (3, 6861657), (9, 2287219), (11, 1871361), (33, 623787), (99, 207929), (337, 61083), (617, 33363), (1011, 20361), (1851, 11121), (3033, 6787), (3707, 5553)]