20954504

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 40639320

約数和(自身を除く): 19684816

約数列:

[1, 2, 4, 8, 53, 73, 106, 146, 212, 292, 424, 584, 677, 1354, 2708, 3869, 5416, 7738, 15476, 30952, 35881, 49421, 71762, 98842, 143524, 197684, 287048, 395368, 2619313, 5238626, 10477252, 20954504]

約数ペア:

[(1, 20954504), (2, 10477252), (4, 5238626), (8, 2619313), (53, 395368), (73, 287048), (106, 197684), (146, 143524), (212, 98842), (292, 71762), (424, 49421), (584, 35881), (677, 30952), (1354, 15476), (2708, 7738), (3869, 5416)]