20763828

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7901}}^1$

素因数の和:7984

約数の個数: 36

約数和(自身を含む): 53212068

約数和(自身を除く): 32448240

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7901, 15802, 23703, 31604, 47406, 71109, 94812, 142218, 284436, 576773, 1153546, 1730319, 2307092, 3460638, 5190957, 6921276, 10381914, 20763828]

約数ペア:

[(1, 20763828), (2, 10381914), (3, 6921276), (4, 5190957), (6, 3460638), (9, 2307092), (12, 1730319), (18, 1153546), (36, 576773), (73, 284436), (146, 142218), (219, 94812), (292, 71109), (438, 47406), (657, 31604), (876, 23703), (1314, 15802), (2628, 7901)]