20858436

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7937}}^1$

素因数の和:8020

約数の個数: 36

約数和(自身を含む): 53454492

約数和(自身を除く): 32596056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7937, 15874, 23811, 31748, 47622, 71433, 95244, 142866, 285732, 579401, 1158802, 1738203, 2317604, 3476406, 5214609, 6952812, 10429218, 20858436]

約数ペア:

[(1, 20858436), (2, 10429218), (3, 6952812), (4, 5214609), (6, 3476406), (9, 2317604), (12, 1738203), (18, 1158802), (36, 579401), (73, 285732), (146, 142866), (219, 95244), (292, 71433), (438, 47622), (657, 31748), (876, 23811), (1314, 15874), (2628, 7937)]