20543572

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6857}}^1$

素因数の和:6975

約数の個数: 24

約数和(自身を含む): 41477184

約数和(自身を除く): 20933612

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6857, 13714, 27428, 47999, 95998, 191996, 733699, 1467398, 2934796, 5135893, 10271786, 20543572]

約数ペア:

[(1, 20543572), (2, 10271786), (4, 5135893), (7, 2934796), (14, 1467398), (28, 733699), (107, 191996), (214, 95998), (428, 47999), (749, 27428), (1498, 13714), (2996, 6857)]