20538804

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11969}}^1$

素因数の和:12000

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 35768076

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11969, 23938, 35907, 47876, 71814, 131659, 143628, 155597, 263318, 311194, 394977, 466791, 526636, 622388, 789954, 933582, 1579908, 1711567, 1867164, 3423134, 5134701, 6846268, 10269402, 20538804]

約数ペア:

[(1, 20538804), (2, 10269402), (3, 6846268), (4, 5134701), (6, 3423134), (11, 1867164), (12, 1711567), (13, 1579908), (22, 933582), (26, 789954), (33, 622388), (39, 526636), (44, 466791), (52, 394977), (66, 311194), (78, 263318), (132, 155597), (143, 143628), (156, 131659), (286, 71814), (429, 47876), (572, 35907), (858, 23938), (1716, 11969)]