20364850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 42068736

約数和(自身を除く): 21703886

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 110, 122, 275, 305, 550, 607, 610, 671, 1214, 1342, 1525, 3035, 3050, 3355, 6070, 6677, 6710, 13354, 15175, 16775, 30350, 33385, 33550, 37027, 66770, 74054, 166925, 185135, 333850, 370270, 407297, 814594, 925675, 1851350, 2036485, 4072970, 10182425, 20364850]

約数ペア:

[(1, 20364850), (2, 10182425), (5, 4072970), (10, 2036485), (11, 1851350), (22, 925675), (25, 814594), (50, 407297), (55, 370270), (61, 333850), (110, 185135), (122, 166925), (275, 74054), (305, 66770), (550, 37027), (607, 33550), (610, 33385), (671, 30350), (1214, 16775), (1342, 15175), (1525, 13354), (3035, 6710), (3050, 6677), (3355, 6070)]