20286156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 51907968

約数和(自身を除く): 31621812

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 313, 491, 626, 939, 982, 1252, 1473, 1878, 1964, 2946, 3443, 3756, 5401, 5892, 6886, 10329, 10802, 13772, 16203, 20658, 21604, 32406, 41316, 64812, 153683, 307366, 461049, 614732, 922098, 1690513, 1844196, 3381026, 5071539, 6762052, 10143078, 20286156]

約数ペア:

[(1, 20286156), (2, 10143078), (3, 6762052), (4, 5071539), (6, 3381026), (11, 1844196), (12, 1690513), (22, 922098), (33, 614732), (44, 461049), (66, 307366), (132, 153683), (313, 64812), (491, 41316), (626, 32406), (939, 21604), (982, 20658), (1252, 16203), (1473, 13772), (1878, 10802), (1964, 10329), (2946, 6886), (3443, 5892), (3756, 5401)]