20484429

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1607}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 31285248

約数和(自身を除く): 10800819

約数列:

[1, 3, 7, 21, 607, 1607, 1821, 4249, 4821, 11249, 12747, 33747, 975449, 2926347, 6828143, 20484429]

約数ペア:

[(1, 20484429), (3, 6828143), (7, 2926347), (21, 975449), (607, 33747), (1607, 12747), (1821, 11249), (4249, 4821)]