20871210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2237}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 50274432

約数和(自身を除く): 29403222

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 311, 622, 933, 1555, 1866, 2237, 3110, 4474, 4665, 6711, 9330, 11185, 13422, 22370, 33555, 67110, 695707, 1391414, 2087121, 3478535, 4174242, 6957070, 10435605, 20871210]

約数ペア:

[(1, 20871210), (2, 10435605), (3, 6957070), (5, 4174242), (6, 3478535), (10, 2087121), (15, 1391414), (30, 695707), (311, 67110), (622, 33555), (933, 22370), (1555, 13422), (1866, 11185), (2237, 9330), (3110, 6711), (4474, 4665)]