20654328

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{11789}}^1$

素因数の和:11871

約数の個数: 32

約数和(自身を含む): 52347600

約数和(自身を除く): 31693272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11789, 23578, 35367, 47156, 70734, 94312, 141468, 282936, 860597, 1721194, 2581791, 3442388, 5163582, 6884776, 10327164, 20654328]

約数ペア:

[(1, 20654328), (2, 10327164), (3, 6884776), (4, 5163582), (6, 3442388), (8, 2581791), (12, 1721194), (24, 860597), (73, 282936), (146, 141468), (219, 94312), (292, 70734), (438, 47156), (584, 35367), (876, 23578), (1752, 11789)]