20771748

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4691}}^1$

素因数の和:4745

約数の個数: 48

約数和(自身を含む): 55177920

約数和(自身を除く): 34406172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428, 4691, 9382, 14073, 18764, 28146, 42219, 56292, 84438, 126657, 168876, 192331, 253314, 384662, 506628, 576993, 769324, 1153986, 1730979, 2307972, 3461958, 5192937, 6923916, 10385874, 20771748]

約数ペア:

[(1, 20771748), (2, 10385874), (3, 6923916), (4, 5192937), (6, 3461958), (9, 2307972), (12, 1730979), (18, 1153986), (27, 769324), (36, 576993), (41, 506628), (54, 384662), (82, 253314), (108, 192331), (123, 168876), (164, 126657), (246, 84438), (369, 56292), (492, 42219), (738, 28146), (1107, 18764), (1476, 14073), (2214, 9382), (4428, 4691)]