20421036

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{3169}}^1$

素因数の和:3358

約数の個数: 36

約数和(自身を含む): 51924600

約数和(自身を除く): 31503564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3169, 3222, 6338, 6444, 9507, 12676, 19014, 28521, 38028, 57042, 114084, 567251, 1134502, 1701753, 2269004, 3403506, 5105259, 6807012, 10210518, 20421036]

約数ペア:

[(1, 20421036), (2, 10210518), (3, 6807012), (4, 5105259), (6, 3403506), (9, 2269004), (12, 1701753), (18, 1134502), (36, 567251), (179, 114084), (358, 57042), (537, 38028), (716, 28521), (1074, 19014), (1611, 12676), (2148, 9507), (3169, 6444), (3222, 6338)]