20121199665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1790939}}^1$

素因数の和:1791061

約数の個数: 32

約数和(自身を含む): 37136931840

約数和(自身を除く): 17015732175

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 535, 749, 1605, 2247, 3745, 11235, 1790939, 5372817, 8954695, 12536573, 26864085, 37609719, 62682865, 188048595, 191630473, 574891419, 958152365, 1341413311, 2874457095, 4024239933, 6707066555, 20121199665]

約数ペア:

[(1, 20121199665), (3, 6707066555), (5, 4024239933), (7, 2874457095), (15, 1341413311), (21, 958152365), (35, 574891419), (105, 191630473), (107, 188048595), (321, 62682865), (535, 37609719), (749, 26864085), (1605, 12536573), (2247, 8954695), (3745, 5372817), (11235, 1790939)]