20075958

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 51448320

約数和(自身を除く): 31372362

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 173, 189, 307, 346, 378, 519, 614, 921, 1038, 1211, 1557, 1842, 2149, 2422, 2763, 3114, 3633, 4298, 4671, 5526, 6447, 7266, 8289, 9342, 10899, 12894, 16578, 19341, 21798, 32697, 38682, 53111, 58023, 65394, 106222, 116046, 159333, 318666, 371777, 477999, 743554, 955998, 1115331, 1433997, 2230662, 2867994, 3345993, 6691986, 10037979, 20075958]

約数ペア:

[(1, 20075958), (2, 10037979), (3, 6691986), (6, 3345993), (7, 2867994), (9, 2230662), (14, 1433997), (18, 1115331), (21, 955998), (27, 743554), (42, 477999), (54, 371777), (63, 318666), (126, 159333), (173, 116046), (189, 106222), (307, 65394), (346, 58023), (378, 53111), (519, 38682), (614, 32697), (921, 21798), (1038, 19341), (1211, 16578), (1557, 12894), (1842, 10899), (2149, 9342), (2422, 8289), (2763, 7266), (3114, 6447), (3633, 5526), (4298, 4671)]